The importance of grain size relative to grain boundary character on the sensitization of metastable austenitic stainless steel

2007 ◽  
Vol 57 (3) ◽  
pp. 185-188 ◽  
Author(s):  
Raghuvir Singh ◽  
Sandip Ghosh Chowdhury ◽  
B. Ravi Kumar ◽  
Swapan K. Das ◽  
P.K. De ◽  
...  
Keyword(s):  
Grain Size ◽  
Stainless Steel ◽  
Austenitic Stainless Steel ◽  
Grain Boundary ◽  
Boundary Character ◽  
Grain Boundary Character ◽  
Metastable Austenitic Stainless Steel

A Comparison of Grain Boundary Character Distributions between Grain Boundary Engineered Austenitic Stainless Steel and Pb-Ca Based Alloy

2013 ◽  
Vol 753 ◽  
pp. 83-86
Author(s):  
Wei Guo Wang ◽  
Xiao Ying Fang ◽  
Hong Guo
Keyword(s):  
Stainless Steel ◽  
Austenitic Stainless Steel ◽  
Grain Boundary ◽  
304 Stainless Steel ◽  
Orientation Relationships ◽  
Boundary Character ◽  
Grain Boundary Character ◽  
Stainless Steel 304 ◽  
Grain Orientations ◽  
Austenitic Stainless Steel 304

Though there developed same concentrations of special grain boundaries (SBs) in grain boundary engineered (GBE) austenitic stainless steel (304 stainless steel) and a Pb-Ca based alloy, the makeup of SBs, size distribution of clusters of grains with ∑3n (n=1,2,3) orientation relationships (∑3n CG), and grain orientations (textures) are quite different between the two specimens, suggesting there have two different mechanisms separately governing the evolution of grain boundary character distributions (GBCDs) in the two types of materials during GBE processing.

Features of Grain Boundary Character Distributions in a Austenitic Stainless Steel after Cold Rolling with Low Strain Followed by Single and Two-Step Annealing

2011 ◽  
Vol 675-677 ◽  
pp. 571-574
Author(s):  
Xiao Ying Fang ◽  
Hong Guo ◽  
Wei Guo Wang
Keyword(s):  
Stainless Steel ◽  
Austenitic Stainless Steel ◽  
Grain Boundary ◽  
Cold Rolling ◽  
Boundary Migration ◽  
Single Step ◽  
Electron Back Scatter Diffraction ◽  
Boundary Character ◽  
Grain Boundary Character ◽  
Two Samples

The grain boundary character distributions (GBCDs) of two 304-type austenitic stainless steel samples, which are cold rolled with the same thickness reduction of 6% and then subjected to different annealing treatments are examined by Electron back-scatter diffraction (EBSD) techniques. The results indicate that, after 6% cold rolling, the two-step annealing (900°C/1 h+1050°C/5 min, Sample B) resulted in a quite different GBCDs compared with that obtained by single-step annealing (1050°C/5 min, Sample A) regardless of nearly the same fractions of S3 boundaries developed in the two samples. It was evidenced that large-sized cluster of grains interfaced by S3n boundaries (S3n CG) emerged in sample B, in which there are moderate preferential grain orientation distribution and {111} grain boundary plane distributions. Further discussions highlighted that, in the case of two-step annealing, the first annealing at relatively low temperature (900°C) for short time (1h) contributes a lot to the final optimization of GBCD and strain induced preferential boundary migration (SIBM) accompanied by multiple twinning via the migration and interactions between mobile S3n boundaries, especially incoherent S3 boundaries, might be the responsible mechanisms.

Grain boundary character distribution in an additively manufactured austenitic stainless steel

2021 ◽  
Vol 192 ◽  
pp. 115-119 ◽  
Author(s):  
Majid Laleh ◽  
Anthony E. Hughes ◽  
Mike Y. Tan ◽  
Gregory S. Rohrer ◽  
Sophie Primig ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Austenitic Stainless Steel ◽  
Grain Boundary ◽  
Grain Boundary Character Distribution ◽  
Boundary Character ◽  
Grain Boundary Character ◽  
Character Distribution ◽  
Boundary Character Distribution
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