Temat: roughness of surface - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Impact of processing parameters on surface roughness and strain hardening of two-phase stainless steel
Autorzy:: Dyl, Tomasz Cyryl
Charchalis, Adam
Stradomski, Grzegorz
Rydz, Dariusz
Powiązania:: https://bibliotekanauki.pl/articles/242598.pdf
Data publikacji:: 2019
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: burnishing process
index of surface roughness reduction
degree of relative strain hardening
two-phase stainless steel
Opis:: Products used in the construction of machines and shipbuilding as well as petrochemical industry, such as shafts, bars, pipes and the like from two-phase stainless steel are currently very popular. It is required that they meet certain quality criteria. They must be characterized by suitable properties of the surface layer to meet the requirements of potential buyers. In the article impact of processing parameters on the degree of relative strain hardening and index of surface roughness reduction were presented. The burnishing process was carried out for two-phase stainless steel. Burnishing process of the shafts neck was performed using burnisher roller. The experimental research were obtained in the surface layer increase in hardness and the material ratio curve a convex shaped, which, taking into account the load capacity of the surface will be directly affected by its resistance to wear and corrosion. The experimental research by application of the burnishing process was made in the Laboratory of Production Engineering. After the studies it was found that the hardness of the surface layer and the roughness of the shaft necks an important influenced by technological parameters of processing (burnishing speed, feed rate and depth of burnishing). The objective of applying burnishing process may be, for example, the need to increase surface smoothness and dimensional accuracy of part.
Źródło:: Journal of KONES; 2019, 26, 2; 37-44
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Analysis of the burnishing process testing by the methods – BRP
Autorzy:: Dyl, T. C.
Powiązania:: https://bibliotekanauki.pl/articles/247792.pdf
Data publikacji:: 2016
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: burnishing rolling–pressuring process
BRP
degree of relative strain hardening
surface roughness reduction ratio
surface layer
Opis:: The paper presents choice results of experimental testing of burnishing process by methods BRP – burnishing rolling – pressuring. The burnishing process is a technology of surface plastic forming of machine parts. The plastic deformations are called out by arrangement of strengths causing the superficial crossing the value of tension pressure of the materials. They set the on cold causing except moving the unevenness also the cold work in top layer of workpiece. Studies were conducted for burnishing process of the external cylindrical surfaces. Burnishing carried out for stainless steels. Burnishing technology was proposed using burnished roller (BR-01) in order to give adequate operational characteristics of the shafts neck centrifugal pumps. An important issue to resolve in the article of the research was to obtain appropriate technological quality, and because of the economic aspect of the production and regeneration of machine parts, burnishing applied in exchange for abrasive processing. In experimental studies were obtained in the surface layer increase in hardness and the Abbott-Firestone curve a convex shaped, which given load capacity of the surface will be directly affected by its resistance to wear and corrosion. The burnishing rolling – pressuring process (BRP) were decreased in surface roughness of the top outer cylindrical layer of stainless steel, which can be applied to the centrifugal pump shafts ship.
Źródło:: Journal of KONES; 2016, 23, 3; 121-126
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: The burnishing process of the stainless steel in aspect of the reduction roughness and surface hardening
Autorzy:: Dyl, T. C.
Powiązania:: https://bibliotekanauki.pl/articles/246904.pdf
Data publikacji:: 2017
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: burnishing rolling–pressuring process
BRP
surface roughness reduction ratio
degree of relative strain hardening
stainless steel
Opis:: In the article were presented influence of technological parameters of burnishing process on the degree of hardness and reduction roughness. Burnishing process carried out for stainless steels X2CrNiMo17-12-2. The experimental research were obtained in the surface layer increase in hardness and the material ratio curve a convex shaped, which, taking into account the load capacity of the surface will be directly affected by its resistance to wear and corrosion. The experimental research by application of the burnishing rolling – pressuring process (BRP) method were made in the Laboratory of Production Engineering at the Department of Marine Maintenance at the Faculty of Marine Engineering at the Gdynia Maritime University. After the studies it was found that the hardness of the surface layer and the roughness of the shaft necks an important influenced by technological parameters of processing (burnishing speed, feed and depth of burnishing). The objective of applying burnishing process may be, for example, the need to increase surface smoothness and dimensional accuracy of part. To achieve the objectives strengthen and smooth of burnishing stainless steel should be used the one pass burnisher roller and feed fn = 0.2 mm/rev and disk burnishing tool feed an = 1.0 mm and burnishing speed vn = 70 m/min.
Źródło:: Journal of KONES; 2017, 24, 3; 63-69
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Nagniatanie staliwa typu dupleks w aspekcie zwiększenia twardości i zmniejszenia chropowatości powierzchni
The Burnishing Process of Two-phase Cast Steel in the Aspect of Reducing Roughness and Increase of Hardness
Autorzy:: Dyl, T.
Rydz, D.
Stradomski, G.
Powiązania:: https://bibliotekanauki.pl/articles/342054.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Morski w Gdyni. Wydawnictwo Uniwersytetu Morskiego w Gdyni
Tematy:: nagniatanie statyczne naporowe toczne (NSNT)
wskaźnik zmniejszenia chropowatości powierzchni
stopień względnego umocnienia warstwy wierzchniej
staliwo typu dupleks
burnishing rolling – pressuring process (BRP)
surface roughness reduction ratio
degree of relative strain hardening
duplex cast steel
Opis:: W artykule przedstawiono wyniki badań doświadczalnych nagniatania statycznego naporowego tocznego (NSNT) staliwa typu dupleks w gatunku GX2CrNiMoCuN25-6-3-3. Nagniatanie czopów wałów przeprowadzono z wykorzystaniem nagniataka krążkowego (NK-01). Po przeprowadzonych badaniach eksperymentalnych określono, że występuje wzrost stopnia umocnienia, następuje zmniejszenie chropowatości, a krzywa udziału materiałowego ma kształt wypukły, co, biorąc pod uwagę nośność powierzchni, wpływać będzie bezpośrednio na jej odporność na zużywanie ścierne i korozyjne. Po przeprowadzonych badaniach stwierdzono, że na twardość warstwy wierzchniej oraz chropowatość zewnętrznych powierzchni walcowych istotny wpływ mają parametry technologiczne obróbki: posuw nagniatania, głębokość dosuwu nagniataka, prędkość nagniatania i liczba przejść obróbkowych. Obróbkę nagniataniem staliwa typu dupleks gładkościową i umacniającą wykonano przy zadanych parametrach: posuw nagniatania fn = 0,2 mm/obr; głębokość dosuwu nagniataka an = 1,0 mm, prędkość nagniatania vn = 70 m/min i liczba przejść obróbkowych i = 2.
The paper presents results of experimental studies of burnishing rolling – pressuring (BRP) cast steel grade GX2CrNiMoCuN25-6-3-3. Burnishing of the shafts neck is proposed using burnisher roller (BR–01). In experimental studies it has been stated that there is a surface layer increase in hardness, roughness reduction and the material ratio curve is convex shaped, which, taking into account the load capacity of the surface, will directly affect its resistance to wear and corrosion. After studies it was found that the hardness of the surface layer and the roughness of the shaft necks are significantly influenced by technological parameters of processing. To achieve the objectives of strengthen and smooth burnishing of cast steel duplex should be used: feed fn = 0.2 mm/rev and disk burnishing tool feed an = 1.0 mm, burnishing speed vn = 70 m/min and the passes i = 2.
Źródło:: Zeszyty Naukowe Akademii Morskiej w Gdyni; 2017, 100; 76-86
1644-1818
2451-2486
Pojawia się w:: Zeszyty Naukowe Akademii Morskiej w Gdyni
Dostawca treści:: Biblioteka Nauki

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