Controllable Martensite Transformation and Strain-Controlled Fatigue Behavior of a Gradient Nanostructured Austenite Stainless Steel
文献类型：期刊论文
| 作者 | Lei, Yunbo; Xu, Jiuling; Wang, Zhenbo |
| 刊名 | NANOMATERIALS
 |
| 出版日期 | 2021-08-01 |
| 卷号 | 11期号:8页码:11 |
| 关键词 | gradient nanostructured surface mechanical rolling treatment 316L stainless steel martensite transformation strain-controlled fatigue |
| DOI | 10.3390/nano11081870 |
| 通讯作者 | Wang, Zhenbo(zbwang@imr.ac.cn) |
| 英文摘要 | Gradient nanostructured (GNS) surface layer with a controllable martensite fraction has been synthesized on 316L austenitic stainless steel by means of surface mechanical rolling treatment (SMRT) with temperature being controlled. The mean grain size is in the nanometer scale in the near-surface layer and increases gradually with depth. In addition, the volume fraction of martensite decreases from similar to 85% to 0 in the near-surface layer while the SMRT temperature increases from room temperature to 175 degrees C. Fatigue experiments showed that the strain-controlled fatigue properties of the GNS samples are significantly enhanced at total strain amplitudes >= 0.5%, especially in those with a dual-phase surface layer of austenite and pre-formed martensite. Analyses on fatigue mechanisms illustrated that the GNS surface layer enhances the strength-ductility synergy and suppresses the formation of surface fatigue defects during fatigue. In addition, the dual-phase structure promotes the formation of martensite and stacking faults, further enhancing fatigue properties at high strain amplitudes. |
| 资助项目 | National Key Research and Development Program of China[2017YFA0204401] ; National Key Research and Development Program of China[2017YFA0204403] ; Chinese Academy of Sciences[XDC04030301] ; Liaoning Revitalization Talents Program[XLYC1808008] ; Shenyang National Laboratory for Materials Science[2015RP04] |
| WOS研究方向 | Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000689852000001 |
| 出版者 | MDPI |
| 资助机构 | National Key Research and Development Program of China ; Chinese Academy of Sciences ; Liaoning Revitalization Talents Program ; Shenyang National Laboratory for Materials Science |
| 源URL | [http://ir.imr.ac.cn/handle/321006/166853]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Wang, Zhenbo |
| 作者单位 | Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Lei, Yunbo,Xu, Jiuling,Wang, Zhenbo. Controllable Martensite Transformation and Strain-Controlled Fatigue Behavior of a Gradient Nanostructured Austenite Stainless Steel[J]. NANOMATERIALS,2021,11(8):11. |
| APA | Lei, Yunbo,Xu, Jiuling,&Wang, Zhenbo.(2021).Controllable Martensite Transformation and Strain-Controlled Fatigue Behavior of a Gradient Nanostructured Austenite Stainless Steel.NANOMATERIALS,11(8),11. |
| MLA | Lei, Yunbo,et al."Controllable Martensite Transformation and Strain-Controlled Fatigue Behavior of a Gradient Nanostructured Austenite Stainless Steel".NANOMATERIALS 11.8(2021):11. |
入库方式： OAI收割
来源：金属研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。