Investigation of High-Cycle Fatigue Properties of Wire Arc Additive Manufacturing 13Cr4Ni Martensitic Stainless Steel
文献类型：期刊论文
| 作者 | Cheng, Guangfu1,2,3; Li, Haichao1; Dai, Haiyan2,3; Gao, Hongming1; Pang, Jianchao4 |
| 刊名 | METALS
 |
| 出版日期 | 2023-07-01 |
| 卷号 | 13期号:7页码:16 |
| 关键词 | wire arc additive manufacturing 13Cr4Ni martensitic stainless steel fatigue property damage mechanism fatigue strength prediction |
| DOI | 10.3390/met13071210 |
| 通讯作者 | Li, Haichao(lihaichao@hit.edu.cn) |
| 英文摘要 | As one of the widely used materials for hydro turbine runners, 13Cr4Ni martensitic stainless steels (13/4 MSS) manufactured by forging and wire arc additive manufacturing (WAAM), respectively, were selected for high-cycle fatigue tests, and the effects of microstructures and defect characteristics on fatigue mechanism were investigated. The results indicate that compared to the forged 13/4 MSS, the microstructure of the WAAM test piece is very fine, and the martensite units, consequently, are smaller in size. The yield strength and ultimate tensile strength are 685 MPa and 823 MPa for the forged specimen and 850 MPa and 927 MPa for the WAAM specimens, respectively. The fatigue strength of 10(7) cycles at room temperature is 370 MPa for forged specimens and 468 MPa for WAAM specimens. The predominant defect of the forged 13/4 MSS specimen is inclusion, and the fatigue initiates mainly at the surface and subsurface. While for the WAAM specimen, the most commonly found defects are pores, and the fatigue initiation is internal and at the subsurface. In addition, the fine microstructure, as well as the high strength and hardness, enable the WAAM material to have higher fatigue strength. In order to assess the effect of defects on fatigue performance, the stress intensity factor and El-Haddad model were adopted in the present study. It was found that the forged specimens with fish-eye (FIE) zones and the WAAM specimens with granular bright facet (GBF) zones have longer fatigue life. The fatigue strengths of the forged 13/4 MSS were therefore predicted by defect size. In contrast, the fatigue strengths of the WAAM 13/4 MSS were predicted by both defect and GBF sizes. |
| 资助项目 | National key research and development program of China[2022YFC 3005903] |
| WOS研究方向 | Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001039841500001 |
| 出版者 | MDPI |
| 资助机构 | National key research and development program of China |
| 源URL | [http://ir.imr.ac.cn/handle/321006/178849]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Li, Haichao |
| 作者单位 | 1.Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China 2.Harbin Energy Innovat Digital Technol Co Ltd, Digital Innovat Res Inst, Harbin 150028, Peoples R China 3.Heilongjiang Power Generat Equipment Intelligent M, Harbin 150028, Peoples R China 4.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Cheng, Guangfu,Li, Haichao,Dai, Haiyan,et al. Investigation of High-Cycle Fatigue Properties of Wire Arc Additive Manufacturing 13Cr4Ni Martensitic Stainless Steel[J]. METALS,2023,13(7):16. |
| APA | Cheng, Guangfu,Li, Haichao,Dai, Haiyan,Gao, Hongming,&Pang, Jianchao.(2023).Investigation of High-Cycle Fatigue Properties of Wire Arc Additive Manufacturing 13Cr4Ni Martensitic Stainless Steel.METALS,13(7),16. |
| MLA | Cheng, Guangfu,et al."Investigation of High-Cycle Fatigue Properties of Wire Arc Additive Manufacturing 13Cr4Ni Martensitic Stainless Steel".METALS 13.7(2023):16. |
入库方式： OAI收割
来源：金属研究所
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