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Wyświetlanie 1-15 z 19
Tytuł:
Analysis of problems occured during welding of new genreation bainitic steel 7CrMoVTiB10-10 (T24)
Problemy występujące podczas spawania nowej generacji stali bainitycznej 7CrMoVTiB10-10 (T24)
Autorzy:
Urzynicok, M.
Kwieciński, K.
Słania, J.
Powiązania:
https://bibliotekanauki.pl/articles/355964.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
welding
bainitic steel
7CrMoVTiB10-10 (T24) steel
T/P24
spawanie
stal bainityczna
stal 7CrMoVTiB10-10 (T24)
Opis:
A dynamic development of steels for components for usc boilers used in fossil fired power plants creates new welding problems. Introduction of new combinations of alloying agents, which are used to improve mechanical properties, especially creep resistance, does not remain indifferent as to the weldability of the newest steels. Every new steel grade which will be used for pressure components in power plants boilers has to be precisely tested. The most important processes that require profound research are bending and welding. It is crucial to examine all new steel grades and use the knowledge to elaborate technologies which could be used during prefabrication and assembly of boiler installations. As an example 7CrMoVTiB10-10 also known as T/P24 is given.
Dynamiczny rozwój stali stosowanych w energetyce na elementy kotłów o parametrach nadkrytycznych stwarza nowe wyzwania spawalnicze. Wprowadzanie coraz to nowych kombinacji dodatków stopowych w celu osiągnięcia jak najlepszych właściwości mechanicznych w tym odporności na pełzanie nie pozostaje bez wpływu na spawalność nowych stali. Każda nowa stal, która zostaje zastosowana na elementy ciśnieniowe kotłów energetycznych musi przejść wiele prób, szczególnie jeśli chodzi o gięcie i spawanie aby możliwe było opracowanie technologii umożliwiających bezproblemowe wykonanie oraz montaż instalacji kotłowych. Przykładem takiej stali jest 7CrMoVTiB10-10 znana również jako T/P24.
Źródło:
Archives of Metallurgy and Materials; 2013, 58, 3; 691-696
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Examinations of the Welded Joint T91 Steel After Service at Elevated Temperature
Autorzy:
Golański, G.
Merda, A.
Klimaszewska, K.
Wieczorek, P.
Powiązania:
https://bibliotekanauki.pl/articles/352311.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
T91 steel
welded joint
microstructure
hardness
microhardness
Opis:
The article provides results of the microstructure examinations and mechanical properties (hardness and microhardness tests) of the welded joint T91 steel taken from the live steam pipeline. Examined joint has been exploited for about 45 000 hours in a temperature of 535°C and the steam pressure equals to 13.5 MPa. Examined joint was made as a double bead by the additional materials with a different chemical composition. It was proved that the joint was characterized by a differential microstructure on the cross-section of the weld. Moreover, decarburized zone in the lower alloyed material and carbides zone in the higher alloyed material were revealed in the weld line and on the boundary penetration of beads. Furthermore, it was shown that the main mechanism of a joint degradation is a privileged precipitation of carbides on the grain boundaries, and an increase of their size.
Źródło:
Archives of Metallurgy and Materials; 2020, 65, 1; 237-242
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of the annealing time after welding on the mechanical properties of welded joint of T91 steel
Autorzy:
Wojsyk, K.
Golański, G.
Jasak, J.
Słania, J.
Zieliński, A.
Urbańczyk, P.
Powiązania:
https://bibliotekanauki.pl/articles/351017.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
T91 steel
post welded heat treatment
mechanical properties
Opis:
The paper presents the results of research on the influence of the time of annealing after welding at the temperature of 750°C on the mechanical properties of a homogeneous welded joint of T91 steel. The welded joints were annealed at 750°C for 0.5; 1.0; 1.5 and 2.0 hours. The research scope included the basic study, i.e. the measurement of hardness, the test of impact energy, the static tensile test, bending test, as well as the accelerated creep test. The results of the tests of mechanical properties indicate the possibility of using shorter annealing times for thin-walled welded joints, and thus the possibility of savings as a result of flexible heat treatments.
Źródło:
Archives of Metallurgy and Materials; 2016, 61, 3; 1425-1430
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Continuous Welding on Microstructure and Mechanical Properties of Angle and T-Bar
Autorzy:
Jang, Jihoon
Yoon, Changsuk
Lee, Sangik
Lee, Dong-Geun
Powiązania:
https://bibliotekanauki.pl/articles/353380.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
T-bar and angle steel
fillet welding
bainitic transformation
Opis:
Section steels produced by welding are essential parts for shipbuilding and offshore plant production. T-type and H-type section steels are produced by handwork for secondary processing, which is a generally difficult and tedious activity. Therefore, automatic welding, with sound welding properties and a high-speed process, is necessary to meet the production demands. Welding conditions can be optimized by controlling various parameters to obtain suitable and highly reliable microstructural properties. In this study, the heat affected zone and weld defects of fillet-welded Angle and T-bar parts were investigated in terms of their microstructural, macrostructural, and mechanical properties to ensure the soundness of AH36 section steel parts joined by continuous welds.
Źródło:
Archives of Metallurgy and Materials; 2020, 65, 4; 1245-1248
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Examination of coil pipe butt joint made of 7CrMoVTiB10 - 10(t24) steel after service
Badanie podczas remontu złączy doczołowych rur wykonanych ze stali 7CrMoVTiB10 - 10(t24)
Autorzy:
Golański, G.
Gawień, P.
Słania, J.
Powiązania:
https://bibliotekanauki.pl/articles/354991.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
spawanie
mikrostruktury
obróbka cieplna
T24 steel
welded joint
microstructure
Opis:
The paper presents the results of examination of coil pipe butt joint made of 7crmovtib10-10 steel (t24). tested joint was in service for approximately 12 000 hours at the temperature of 540 degree Celsjus and pressure of 5.48mpa. tests have revealed that the structure of all regions of the homogenous welded joint are correct and without any welding imperfections. operation of the weld contributed mainly to advantaged precipitation of carbides especially on grain boundaries - frequently in the contact area of three grains' boundaries as well as in the form of continuous network of precipitates. the measurement showed high hardness of the weld, what indicates high stability of the microstructure. It makes possible to find that post-weld heat treatment is indispensable.
W pracy przedstawiono wyniki badań doczołowego złącza spawanego rury wężownicy ze stali 7crmovtib10-10 (t24). badane złącze eksploatowane było przez około 12 000 godzin w temperaturze 540 stopni Celsjusza przy ciśnieniu 5.48 mpa. Przeprowadzone badania wykazały prawidłową budowę we wszystkich strefach jednorodnego złącza spawanego bez niezgodności spawalniczych. Eksploatacja badanego złącza przyczyniła się przede wszystkim do uprzywilejowanego wydzielania węglików po granicach ziaren, często na styku trzech granic ziaren oraz w postaci tzw. ciągłej siatki wydzieleń. Pomiar twardości wykazał wysoką twardość złącza, co wskazuje na dużą stabilność mikrostruktury. pozwala to na stwierdzenie o konieczności stosowania zabiegów obróbki cieplnej po spawaniu.
Źródło:
Archives of Metallurgy and Materials; 2012, 57, 2; 553-557
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Effects of Friction Stir Welding Parameters on Microstructure, Fatigue Life and Tensile Properties of Aluminum 2024-T3 Alloy
Autorzy:
Şık, Aydın
Özer, Alpay
Powiązania:
https://bibliotekanauki.pl/articles/27313860.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
friction stir welding
microstructure
fatigue life
tensile properties
Al 2024-T3
Opis:
In this study, Al 2024-T3 alloy plates were joined by using friction stir welding. Welding was performed at a rotational speed of 930, 1450, 2280 rpm and a welding feed rate of 180 mm min-1. The welded samples were analyzed at the microstructural level. Moreover, both bending fatigue tests and tensile tests were performed on samples. At the end of the microstructural examination of the samples welded at the rotational speed of 930 rpm and the welding feed rate of 180 mm min-1, the formation of tunnel defects was observed. The highest fatigue life was obtained at 2280 rpm and 180 mm min-1. The lowest fatigue life was obtained at 930 rpm and 180 mm min -1. The highest ultimate tensile stress was obtained at 2280 rpm/180 mm min-1 sample, which shows about a 12% reduction relative to the base material. The lowest ultimate tensile stress was obtained at 930 rpm/180 mm min-1 sample. The ultimate tensile stress value of the 930 rpm/180 mm min-1 sample decreased by approximately 25%.
Źródło:
Archives of Metallurgy and Materials; 2023, 68, 2; 499--505
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Double Fillet Welding of Carbon Steel T-Joint by Double Channel Shielding Gas Metal Arc Welding Method Using Metal Cored Wire
Autorzy:
Mert, T.
Gultekin, N.
Karaaslan, A.
Powiązania:
https://bibliotekanauki.pl/articles/352453.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
double channel torch
low carbon steel
metal cored wires
T-joint
microstructure
Opis:
Low carbon steel material and T-joints are frequently used in ship building and steel constructions. Advantages such as high deposition rates, high quality and smooth weld metals and easy automation make cored wires preferable in these industries. In this study, low carbon steel materials with web and flange thicknesses of 6 mm, 8 mm and 10 mm were welded with conventional GMAW and double channel shielding gas metal arc welding (DMAG) method to form double fillet T-joints using metal cored wire. The difference between these two methods were characterized by measurements of mean welding parameters, Vickers hardness profiles, weld bead and HAZ geometry of the joints and thermal camera temperature measurements. When weld bead and HAZ geometries are focused, it was seen filler metal molten area increased and base metal molten area decreased in DMAG of low carbon steel. When compared with traditional GMAW, finer and acicular structures in weld metal and more homogenous and smaller grains in HAZ are obtained with double channel shielding gas metal arc welding.
Źródło:
Archives of Metallurgy and Materials; 2017, 62, 2A; 947-954
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Structure and Properties of Hybrid Laser Arc Welded T-Joints (Laser Beam - MAG) in Thermo-Mechanical Control Processed Steel S700MC of 10 mm thickness
Autorzy:
Górka, J.
Powiązania:
https://bibliotekanauki.pl/articles/352132.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
HLAW hybrid welding
T-joints
S700MC steel
quality of welded joints
Opis:
In this article examinations of hybrid welding technology (laser beam + MAG) of T-joints from thermomechanically worked high strength steel S700MC 10 mm thick were presented. Joints welded from one side and both sides were made. Carried examinations enabled to classify joints in quality level B according to ISO 12932 (Welding. Laser-arc hybrid welding of steels, nickel and n ickel alloys. Quality levels for imperfections). In case of one sided welding with partial penetration with beam power of 8.5 kW 8 mm of penetration was achieved without noticeable distortion of web. Double sided joints were characterized with correct geometry. Joint metal is bainitic-ferritic in structure and its hardness rises about 40 HV1 in comparison to base metal hardness (280 HV1). In HAZ a slight softening of material in comparison to base metal is present.
Źródło:
Archives of Metallurgy and Materials; 2018, 63, 3; 1125-1131
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of T6 Heat Treatment on the Scratch Wear Behavior of Extruded Al-12wt.%Si Alloy
Autorzy:
Kang, Yeon-Ji
Kim, Jong-Ho
Hwang, Jong-Il
Lee, Kee-Ahn
Powiązania:
https://bibliotekanauki.pl/articles/356776.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Al-12wt.%Si alloy
scratch test
wear-resistance
T6 heat treatment
Opis:
This study investigated the effect of T6 heat treatment on the microstructure and scratch wear behavior of hypoeutectic Al-12wt.%Si alloy manufactured by extrusion. Microstructural observation identified spherical eutectic Si phases before and after the heat treatment of alloys (F, T6). Phase analysis confirmed Al matrix and Si phase as well as Al2Cu and Al3Ni, Mg2Si in both alloys. In particular, Al2Cu was finer and more evenly distributed in T6 alloy. This resulted in Vickers hardness of T6 alloy that was 2.3 times greater compared to F alloy. The scratch wear test was conducted using constant load scratch test (CLST) mode and multi-pass scratch test (MPST) mode. The scratch coefficient and worn out volume obtained by such were used to evaluate wear properties before and after heat treatment. In the case of T6 alloy, its scratch coefficient was lower than F alloy in all load ranges. After 15 repeated tests to measure worn out volume, F alloy and T6 alloy measured 1.2×10-1 mm3 and 7.8×10-2 mm3, respectively. In other words, the wear resistance of T6 alloy were confirmed to be better than those of F alloy. In addition, this study attempted to identify the microstructural factors that contribute to the better scratch wear resistance of T6 alloy and wear mechanism from surface and cross-section observations after the wear tests.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 2; 617-622
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fabrication of Mo-Si-B Intermetallic Compound Powders Under Different Heat Treatment Conditions
Autorzy:
Park, J. H.
Lee, S.
Kim, D.
Kim, Y.
Yang, S. H.
Lee, S. H.
Powiązania:
https://bibliotekanauki.pl/articles/353369.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Mo-Si-B alloys
intermetallic compounds
reitveld refinement
T2 phase
A15 phase
Opis:
In this research, we investigated the effects of reduction atmospheres on the creation of the Mo-Si-B intermetallic compounds (IMC) during the heat treatments. For outstanding anti-oxidation and elevated mechanical strength at the ultrahigh temperature, we fabricated the uniformly dispersed IMC powders such as Mo5SiB2 (T2) and Mo3Si (A15) phases using the two steps of chemical reactions. Especially, in the second procedure, we studied the influence of the atmospheres (e.g. vacuum, argon, and hydrogen) on the synthesis of IMCs during the reduction. Furthermore, the newly produced IMCs were observed by SEM, XRD, and EDS to identify the phase of the compounds. We also calculated an amount of IMCs in the reduced powders depending on the atmosphere using the Reitveld refinement method. Consequently, it is found that hydrogen atmosphere was suitable for fabrication of IMC without other IMC phases.
Źródło:
Archives of Metallurgy and Materials; 2018, 63, 3; 1509-1512
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
High Cycle Fatigue Performance of Hollow-Extruded 6005A-T6 Aluminum Alloy Characterized by a Layered Microstructure
Autorzy:
Ma, Zhongwei
Ma, Lin
Xu, Bo
Dan, Chuchen
He, Zhaokun
Wang, Yue
Powiązania:
https://bibliotekanauki.pl/articles/354038.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
friction stir welding
hollow-extruded 6005A-T6 aluminum alloy
fatigue
fracture
microstructure
Opis:
Sound joint of hollow-extruded 6005A-T6 aluminum alloy was achieved by friction stir welding and its high cycle fatigue performance was mainly investigated. As a result, the joint fatigue limit reaches 128.1 MPa which is 55% of the joint tensile strength. The fatigue fracture mainly occurs at the boundary between the stir zone and thermo-mechanically affected zone due to the large difference in the grain size. This difference is caused by the layered microstructure of the base material. The shell pattern with parallel arcs is the typical morphology in the fracture surface and the distance between arcs is increased with the increase of stress level. The specimen with the fracture located in the stir zone possesses a relatively low fatigue life.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 1; 285-292
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Studies on Microstructural Evolution and Wear Behaviour of AlNi intermetallic Reinforced AA6061 alloy in T6 condition
Autorzy:
Abuthakir, J.
Subramanian, Ramanathan
Somasundara Vinoth, K.
Venkatesh, G.
Suganya Priyadharshini, G.
Krishnakumar, K.
Powiązania:
https://bibliotekanauki.pl/articles/2125525.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Al MMCs
peak aged (T6) condition
Al-Ni intermetallic reinforced composites
adhesive wear
Opis:
In the present investigation Ni particles were added in varying weight fractions (0.5, 1.0 and 1.5%) to AA6061 alloy during stir casting. To prepare Al-Ni intermetallic reinforced Aluminium Metal Matrix Composites (Al MMCs), as-cast samples were subjected to T6 treatment (Solutionization at 550°C followed by ageing at 2,4,6,8 and 10 hours). Base alloy was also subjected to T6 treatment for comparison purpose. Hardness of the samples were obtained using Vickers hardness test. Samples in the peak aged (T6) condition were subjected to metallographic examination. Influence of Ni particles on the hardness and grain refinement was investigated. X-ray Diffraction analysis of the Ni added samples revealed the presence of Al-Ni intermetallic phase formation in the peak aged (T6) Condition. Scanning Electron Microscope - Energy Dispersive X-Ray Spectroscopy analysis of composites in the peak aged (T6) condition were carried out to study the formation of the Al-Ni intermetallic phase. Effect of Al-Ni intermetallic phase on wear and friction behavior of the composite samples were studied and compared with that of the base alloy in the peak aged (T6) condition.
Źródło:
Archives of Metallurgy and Materials; 2022, 67, 3; 803--813
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fatigue Behavior of MIG-Welded 7N01-T4 Aluminum Alloy with Different V-Groove Angles
Autorzy:
Ma, Zhongwei
Li, Qinghua
Ma, Lin
He, Zhaokun
Liang, Zhimin
Powiązania:
https://bibliotekanauki.pl/articles/351758.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
7N01-T4 aluminum alloy
MIG welding
V-groove angle
fatigue
fracture
Opis:
7N01-T4 aluminum alloy was welded by metal inert gas welding and the influence of V-groove angle on joint fatigue properties was investigated. The results indicate that the volume of fusion zone (FZ) and the grains in FZ become small when the groove angle decreases to 50° from 70°. Most pores distribute at the FZ edge and fewer pores are formed in the small angle joint. The fatigue crack mainly initiates at the transition region between the weld passes due to the pore concentration. The small angle contributes to increasing joint fatigue properties, especially at the low stress level. The fatigue strength of 50° joint is 103.06 MPa which is 15.3% higher than that of 70° joint.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 4; 1577-1584
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparative Study of 2060-T8 Al-Li Alloy Friction Stir Welded Joints Between Natural Cooling and Water Cooling
Autorzy:
Ma, Lin
Niu, Shiyu
Ji, Shude
Gong, Peng
Powiązania:
https://bibliotekanauki.pl/articles/355846.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
2060-T8 Al-Li alloy
friction stir welding
water cooling
microstructure
mechanical properties
Opis:
2060-T8 Al-Li alloy was friction stir butt welded under natural and water cooling conditions. Microstructures and mechanical properties of the welding joints were mainly compared and discussed. By spraying water on the top surface of stir zone, the grain size was reduced, attributing to the improvement of microhardness. The maximum tensile strength under the water cooling reached 461.1 MPa. The joint fractured at the stir zone due to the thickness reduction and the joint softening. The fracture surface consisted of many dimples with various sizes, indicating the typical ductile fracture. The strategy to apply the low heat input at the welding stage and high cooling rate at the cooling stage during FSW is necessary to obtain a high-quality FSW joint.
Źródło:
Archives of Metallurgy and Materials; 2020, 65, 1; 305-312
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Numerical simulation of deformations in T-joint welded by the laser beam
Symulacje numeryczne deformacji połączenia teowego spawanego wiązką promieniowania laserowego
Autorzy:
Piekarska, W.
Kubiak, M.
Saternus, Z.
Powiązania:
https://bibliotekanauki.pl/articles/353208.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
laser welding
numerical modelling
welding deformations
T-joint
spawanie laserem
analiza numeryczna
deformacja złącza
złącze teowe
Opis:
Numerical simulation of deformations in laser welded T-joint is carried out in this study. The analysis is performed using Abaqus FEA engineering software. Additional author’s numerical subroutines, written in FORTRAN programming language are used in computer simulations where models of the distribution of movable laser beam heat source, kinetics of phase transformations in solid state as well as thermal and structural strain are implemented. Thermomechanical properties of welded material changing with temperature are taken into account in the analysis. Presented results of numerical simulations performed for the laser beam welding of two perpendicularly arranged sheets include temperature distribution, kinetics of phase transformations in solid state, thermal and structural strain as well as estimated welding deformations.
W pracy przeprowadzono analizę numeryczną deformacji złącza teowego spawanego wiązką laserową. Analizę numeryczną przeprowadzono z wykorzystaniem pakietu oprogramowania inżynierskiego Abaqus FEA. W symulacjach komputerowych wykorzystano dodatkowe, autorskie procedury numeryczne napisane w języku programowania Fortran, gdzie implementowano modele rozkładu mocy ruchomego zródła ciepła wiązki laserowej, kinetyki przemian fazowych w stanie stałym oraz odkształceń termicznych i strukturalnych. W analizie uwzględniono zmienne z temperaturą własności termomechaniczne spawanego materiału. Przedstawione wyniki symulacji komputerowych wykonanych dla spawania laserowego dwóch prostopadle ułożonych blach obejmują rozkłady temperatury, kinetykę przemian fazowych w stanie stałym, odkształcenia cieplne i strukturalne oraz oszacowane odkształcenia spawalnicze.
Źródło:
Archives of Metallurgy and Materials; 2013, 58, 4; 1391-1396
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
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