当前位置: X-MOL 学术Mater. Sci. Eng. A › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
The effect of Hf on solidification cracking inhibition of IN738LC processed by Selective Laser Melting
Materials Science and Engineering: A ( IF 6.1 ) Pub Date : 2021-01-06 , DOI: 10.1016/j.msea.2021.140733
Zhengrong Yu , Chuan Guo , Shuang Han , Xiaogang Hu , Lijie Cao , Zhen Xu , Hui Ding , Qiang Zhu

The effects of Hf addition on defects and mechanical properties of the “hard-to-weld” superalloy IN738LC manufactured by Selective Laser Melting (SLM) process were studied. The addition of Hf inhibits cracking in SLMed IN738LC. Cracking free and low porosity IN738LC parts were obtained in a wide range of process parameters. The study shows that the cracks were refilled by Hf-riched melt and the relative density was increased, thus the tensile properties at 700 and 850 °C were improved.



中文翻译:

f对选择性激光熔炼IN738LC凝固裂纹的抑制作用

研究了添加f对通过选择性激光熔化(SLM)工艺制造的“难焊”超级合金IN738LC的缺陷和机械性能的影响。Hf的添加抑制了SLMed IN738LC中的开裂。可在多种工艺参数下获得无裂纹且低孔隙率的IN738LC零件。研究表明,裂纹被富氢的熔体重新填充,相对密度增加,从而改善了700和850°C时的拉伸性能。

更新日期:2021-01-19
down
wechat
bug