Effect of Laser Energy Density and Scanning Strategy on Residual Stress in Laser Melting Deposited FGH4096 Superalloy
文献类型：期刊论文
| 作者 | Liu, Shuai1; Liu, Changsheng2; Yuan, Chao1 |
| 刊名 | JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
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| 出版日期 | 2024-01-22 |
| 页码 | 10 |
| 关键词 | energy density laser melting deposition (LMD) residual stress (RS) scanning strategy superalloy |
| ISSN号 | 1059-9495 |
| DOI | 10.1007/s11665-024-09152-9 |
| 通讯作者 | Liu, Changsheng(15040369625@163.com) |
| 英文摘要 | Due to the high manufacturing cost, the failure or wear of FGH4096 superalloy parts can be quickly repaired through laser melting deposition (LMD). However, the repeated local rapid heating and cooling processes can increase residual stresses (RS), which reduce the service life of remanufactured parts and even cause cracking. This study analyzed the microstructure and formability of FGH4096 under different laser energy densities and scanning strategies and investigated the RS along the height direction through x-ray diffraction. The results showed that the process parameters had no effect on the phases in the deposited layer, and relatively higher energy density was conducive to obtaining denser samples, while the scanning strategies had little effect on the relative density of the samples. The RS at the top of the cladding layer exhibited tensile stress, while it exhibited compressive stress at the bottom or heat-affected zone. The maximum stress values were related to the process parameters, and lower energy density and an inclined scanning strategy were conducive to reducing the maximum RS and increasing the thickness of the low-stress layer. The research can help design or optimize LMD process parameters for FGH4096 to maximize the relative density of cladding layers while minimizing RS. |
| 资助项目 | National Natural Science Foundation of China-Liaoning Joint Fund[U1508213] ; Youth Talent Fund of Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences[E11SL095] ; Technical Support Division of Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences |
| WOS研究方向 | Materials Science |
| 语种 | 英语 |
| WOS记录号 | WOS:001153732100002 |
| 出版者 | SPRINGER |
| 资助机构 | National Natural Science Foundation of China-Liaoning Joint Fund ; Youth Talent Fund of Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences ; Technical Support Division of Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences |
| 源URL |  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Liu, Changsheng |
| 作者单位 | 1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 2.Northeastern Univ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, Minist Educ, Shenyang 110819, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Shuai,Liu, Changsheng,Yuan, Chao. Effect of Laser Energy Density and Scanning Strategy on Residual Stress in Laser Melting Deposited FGH4096 Superalloy[J]. JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE,2024:10. |
| APA | Liu, Shuai,Liu, Changsheng,&Yuan, Chao.(2024).Effect of Laser Energy Density and Scanning Strategy on Residual Stress in Laser Melting Deposited FGH4096 Superalloy.JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE,10. |
| MLA | Liu, Shuai,et al."Effect of Laser Energy Density and Scanning Strategy on Residual Stress in Laser Melting Deposited FGH4096 Superalloy".JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE (2024):10. |
入库方式： OAI收割
来源：金属研究所
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