Experimental study on the whole‐life heterogeneous ratchetting and ratchetting‐fatigue interaction of SUS301L stainless steel butt‐welded joint

2019 ◽  
Vol 43 (1) ◽  
pp. 36-50 ◽  
Author(s):  
Huiliang Luo ◽  
Guozheng Kang ◽  
Qianhua Kan ◽  
Chuanping Ma
Keyword(s):  
Experimental Study ◽  
Stainless Steel ◽  
Welded Joint ◽  
Sus301l Stainless Steel

Influence of the ferrite rate on the tenacity of a welded joint in austenitic stainless steel: Experimental study and numerical modelling

2009 ◽  
Vol 45 (2) ◽  
pp. 336-341 ◽  
Author(s):  
B. Bouchouicha ◽  
M. Zemri ◽  
M. Benguediab ◽  
A. Imad
Keyword(s):  
Experimental Study ◽  
Stainless Steel ◽  
Austenitic Stainless Steel ◽  
Numerical Modelling ◽  
Welded Joint

scholarly journals Microstructural Investigation of a Friction-Welded 316L Stainless Steel with Ultrafine-Grained Structure Obtained by Hydrostatic Extrusion

Materials ◽  
2021 ◽  
Vol 14 (6) ◽  
pp. 1537
Author(s):  
Beata Skowrońska ◽  
Tomasz Chmielewski ◽  
Mariusz Kulczyk ◽  
Jacek Skiba ◽  
Sylwia Przybysz
Keyword(s):  
Stainless Steel ◽  
Electron Microscope ◽  
Friction Welding ◽  
High Speed ◽  
316L Stainless Steel ◽  
Welded Joint ◽  
Microstructural Investigation ◽  
Ultrafine Grained Structure ◽  
Ultrafine Grained ◽  
Friction Joint

The paper presents the microstructural investigation of a friction-welded joint made of 316L stainless steel with an ultrafine-grained structure obtained by hydrostatic extrusion (HE). Such a plastically deformed material is characterized by a metastable state of energy equilibrium, increasing, among others, its sensitivity to high temperatures. This feature makes it difficult to weld ultra-fine-grained metals without losing their high mechanical properties. The use of high-speed friction welding and a friction time of <1 s reduced the scale of the weakening of the friction joint in relation to result obtained in conventional rotary friction welding. The study of changes in the microstructure of individual zones of the friction joint was carried out on an optical microscope (OM), scanning electron microscope (SEM), transmission electron microscope (TEM) and electron backscattered diffraction (EBSD) analysis system. The correlation between the microstructure and hardness of the friction joint is also presented. The heat released during the high-speed friction welding initiated the process of dynamic recrystallization (DRX) of single grains in the heat-affected zone (HAZ). The additional occurrence of strong plastic deformations (in HAZ) during flash formation and internal friction (in the friction weld and high-temperature HAZ) contributed to the formation of a highly deformed microstructure with numerous sub-grains. The zones with a microstructure other than the base material were characterized by lower hardness. Due to the complexity of the microstructure and its multifactorial impact on the properties of the friction-welded joint, strength should be the criterion for assessing the properties of the joint.

Influence of microstructure and roughness level on corrosion resistance of the austenitic stainless steel welded joint

2021 ◽  
Author(s):  
Jovanka Kovačina ◽  
Bore Jegdić ◽  
Bojana Radojković ◽  
Dunja Marunkić ◽  
Sanja Stevanović ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Corrosion Resistance ◽  
Austenitic Stainless Steel ◽  
Welded Joint

Electric Current Pulse Welding of Titanium with 18-10 Stainless Steel

2009 ◽  
Vol 83-86 ◽  
pp. 1251-1253 ◽  
Author(s):  
E.G. Grigoryev ◽  
V.N. Bazanov
Keyword(s):  
Stainless Steel ◽  
Electric Current ◽  
Current Pulse ◽  
Contact Zone ◽  
Welded Joints ◽  
High Speed ◽  
Welded Joint ◽  
Electric Current Pulse ◽  
Pulse Effect ◽  
Different Thickness

The purpose of the work was to determine the capabilities of the pulse effect of electric current and pressure to produce welded joints of various component parts of different thickness from 18-10 stainless steel and titanium. Application of electric current pulses on the surfaces of contacting metallic conductors leads to considerable changes in the surface structure. Depending on the initial state of the surfaces and parameters of the pulse effect this can result in melting without formation of joints, formation of a strong welded joint with characteristics no worse than those of welded metals, and in destruction of the contact zone. A combination of a short electric pulse with simultaneous application of mechanical pressure in the weld zone causes high-speed deformation of the contact zone. The process of joint formation itself does not cause any appreciable diffusion during welding. The greatest energy emission and the maximal heating occur on the contacting surfaces being welded with the passage of an electric current pulse through the welding zone. Simultaneously with intensive heating, and due to applied pressure, high-speed deformation of materials takes place and a strong welded joint is formed. Optimal parameters for the welding of titanium and 18-10 stainless steel have been determined on the basis of the tests conducted. Investigations into the welding of titanium and 18-10 stainless steel have shown that application of a short electric current pulse and pressure produces stronger welded joints composed of both similar and different metals of considerably different thickness.

scholarly journals Simulation and Experimental Study on Three-roll Rolling of Stainless Steel-Carbon Steel Cladding Rebar

2021 ◽  
Vol 639 ◽  
pp. 012011
Author(s):  
Qingfang Zhang ◽  
Jianping Tan ◽  
Zhen Li ◽  
Yong Xiang
Keyword(s):  
Experimental Study ◽  
Stainless Steel ◽  
Carbon Steel

scholarly journals Static strength of friction welded joint of 6061 aluminum alloy to SUS304 stainless steel.

1996 ◽  
Vol 46 (10) ◽  
pp. 500-504 ◽  
Author(s):  
Hiizu OCHI ◽  
Koichi OGAWA ◽  
Yoshiaki YAMAMOTO ◽  
Shigeki HASHINAGA ◽  
Yasuo SUGA ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Aluminum Alloy ◽  
Welded Joint ◽  
Static Strength ◽  
6061 Aluminum Alloy ◽  
Sus304 Stainless Steel

scholarly journals Prediction of Creep Lifetime for Butt-Welded Joint of Type 304 Stainless Steel by Finite Element Method Incorporating Damage Variable.

1995 ◽  
Vol 13 (1) ◽  
pp. 19-27 ◽  
Author(s):  
Junichi KINUGAWA ◽  
Masayoshi YAMAZAKI ◽  
Hiromichi HONGO ◽  
Takashi WATANABE ◽  
Yoshio MONMA
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Stainless Steel ◽  
Welded Joint ◽  
Damage Variable ◽  
304 Stainless Steel ◽  
Type 304 ◽  
Type 304 Stainless Steel ◽  
Element Method
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