scholarly journals Mechanical Properties and Microstructural Characterization of Friction Stir Welded AISI 316 Austenitic Stainless Steel

2014 ◽  
Vol 5 ◽  
pp. 2376-2381 ◽  
Author(s):  
Manish P. Meshram ◽  
Basanth Kumar Kodli ◽  
Suhash R. Dey
2020 ◽  
Vol 9 (1) ◽  
pp. 636-640 ◽  
Author(s):  
Fernanda Santos da Luz ◽  
Wagner Anacleto Pinheiro ◽  
Sergio Neves Monteiro ◽  
Verônica Scarpini Candido ◽  
Alisson Clay Rios da Silva

2017 ◽  
Vol 23 (2) ◽  
pp. 280-294 ◽  
Author(s):  
Mohamad Mahmoudi ◽  
Alaa Elwany ◽  
Aref Yadollahi ◽  
Scott M. Thompson ◽  
Linkan Bian ◽  
...  

2015 ◽  
Vol 830-831 ◽  
pp. 314-318 ◽  
Author(s):  
S. Shashi Kumar ◽  
N. Murugan ◽  
K.K. Ramachandran

The present investigation is carried out to investigate on mechanical and metallurgical properties of Friction stir (FS) / Underwater Friction stir (UFS) welded 3 mm thick AISI 316 L stainless steel joints. Experiments were carried out at a tool rotational speed of 700 rpm, welding speed of 45 mm/min and axial force of 12 kN. Defect free joints were confirmed by visual inspection. A marginal rise of about 4.5 % increase in the joint strength is achieved in water cooling than by gas cooling technique. Reduced peak temperature in water cooled joint led to better grain refinement in the weld nugget enhancing FSW tool life. No sign of secondary phase precipitation was observed in the weld joints which was confirmed by Energy Dispersive Spectroscopy (EDS) spectrums and micro etchants like Groesbeck and modified Murakami reagents in the weld nugget.


2010 ◽  
Vol 160-162 ◽  
pp. 915-920
Author(s):  
Shao Jiang Lin ◽  
Da Peng Feng ◽  
Qi Nian Shi

This work presents the possibility of obtaining high density austenitic stainless steel parts by powder metallurgy (PM) and sintered in vacuum. Mechanical properties such as tensile strength, yield stress, elongation rate and Vickers hardness were measured by using a tensile testing machine and a Vickers hardness tester at room temperature. Microstructural characterization was performed by means of optical microscopy and scanning electron microscopy (SEM). The effect of sintering temperature on densification and mechanical properties of PM austenitic stainless steel has been investigated. The results show that density and mechanical properties were increased with the increase of sintering temperature, but when the sintering temperature is above 1340 °C, they increased slowly. The highest mechanical properties were obtained when sintering temperature was 1340 °C.


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