Journal
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
Volume 51, Issue 6, Pages 2719-2723Publisher
SPRINGER
DOI: 10.1007/s11661-020-05767-4
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Funding
- National Natural Science Foundation of China
- Baowu Group Co., Ltd. [U1660205]
- China Scholarship Council [201806080113]
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We elucidate here the effect of tungsten on grain refinement in the HAZ of ferritic stainless steels (FSSs) at 1200 degrees C and 1350 degrees C. The average simulated HAZ grain size of W-containing FSS (1.5 wt. pct W) was reduced by 50 pct compared to W-free FSS at 1350 degrees C. The replacement of Mo with W in FSSs enhanced the thermal stability of Laves phase at high temperatures and contributed to fine grain size in the HAZ via pinning effect.
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