Effects of Heat Treatment and Build Orientation on the Evolution of ε and α' Martensite and Strength During Compressive Loading of Additively Manufactured 304L Stainless Steel

2020 ◽  
Author(s):  
Nicholas C. Ferreri ◽  
Reeju Pokharel ◽  
Veronica Livescu ◽  
Donald W. Brown ◽  
Marko Knezevic ◽  
...  
Keyword(s):  
Heat Treatment ◽  
Stainless Steel ◽  
Compressive Loading ◽  
304L Stainless Steel ◽  
Build Orientation

Effect of semi-solid heat treatment on elevated temperature plasticity of 304L stainless steel

2016 ◽  
Vol 51 (9) ◽  
pp. 4306-4319 ◽  
Author(s):  
Dipti Samantaray ◽  
Utpal Borah ◽  
A. K. Bhaduri ◽  
Pradip Dutta
Keyword(s):  
Heat Treatment ◽  
Stainless Steel ◽  
Elevated Temperature ◽  
304L Stainless Steel ◽  
Semi Solid

scholarly journals Effect of SLM Build Parameters on the Compressive Properties of 304L Stainless Steel

2019 ◽  
Vol 3 (2) ◽  
pp. 43 ◽  
Author(s):  
Okanmisope Fashanu ◽  
Mario F. Buchely ◽  
Myranda Spratt ◽  
Joseph Newkirk ◽  
K. Chandrashekhara ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Flow Stress ◽  
Plastic Strain ◽  
Yield Strength ◽  
Compressive Yield Strength ◽  
304L Stainless Steel ◽  
Complex Structures ◽  
Build Orientation ◽  
Efficient Manufacturing ◽  
Plastic Flow Stress

Selective laser melting (SLM) is well suited for the efficient manufacturing of complex structures because of its manufacturing methodology. The optimized process parameters for each alloy has been a cause for debate in recent years. In this study, the hatch angle and build orientation were investigated. 304L stainless steel samples were manufactured using three hatch angles (0°, 67°, and 105°) in three build orientations (x-, y-, and z-direction) and tested in compression. Analysis of variance and Tukey’s test were used to evaluate the obtained results. Results showed that the measured compressive yield strength and plastic flow stress varied when the hatch angle and build orientation changed. Samples built in the y-direction exhibited the highest yield strength irrespective of the hatch angle; although, samples manufactured using a hatch angle of 0° exhibited the lowest yield strength. Samples manufactured with a hatch angle of 0° flowed at the lowest stress at 35% plastic strain. Samples manufactured with hatch angles of 67° and 105° flowed at statistically the same flow stress at 35% plastic strain. However, samples manufactured with a 67° hatch angle deformed non-uniformly. Therefore, it can be concluded that 304L stainless steel parts manufactured using a hatch angle of 105° in the y-direction exhibited the best overall compressive behavior.

RELAXATION PEAKS OF COLD WORKED 304L STAINLESS STEEL

1981 ◽  
Vol 42 (C5) ◽  
pp. C5-193-C5-198 ◽  
Author(s):  
N. Igata ◽  
H. B. Chen ◽  
K. Miyahara ◽  
T. Uba
Keyword(s):  
Stainless Steel ◽  
304L Stainless Steel ◽  
Cold Worked
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