| 激光熔覆和重熔制备Fe-Ni-B-Si-Nb系非晶纳米晶复合涂层 |
| |
| 引用本文： | 张培磊,闫华,徐培全,于治水,李铸国,姚成武.激光熔覆和重熔制备Fe-Ni-B-Si-Nb系非晶纳米晶复合涂层[J].中国有色金属学报,2011(11). |
| |
| 作者姓名： | 张培磊 闫华 徐培全 于治水 李铸国 姚成武 |
| |
| 作者单位： | 上海工程技术大学材料工程学院;上海交通大学上海市激光制造与材料改性重点实验室; |
| |
| 基金项目： | 国家自然科学基金资助项目(50875160,51105240); 上海市自然科学基金资助项目(10ZR1412900); 上海市重点学科建设项目(J51402); 上海工程技术大学校基金资助项目(A-0501-11-009,A-0501-11-008); 上海高校青年教师培养资助计划(gjd11015,gjd11021) |
| |
| 摘 要： | 采用激光熔覆和重熔的方法在低碳钢CCS-B上制备Fe-Ni-Si-B-Nb系非晶纳米晶复合涂层。利用X射线衍射、扫描电镜、EDAX能谱及透射电镜分析涂层的物相、组织结构,运用显微硬度计、纳米压痕仪及摩擦磨损试验机研究涂层的显微硬度分布、微观力学性能及摩擦磨损性能。结果表明:熔覆层的组织由表面至基体分为非晶纳米晶复合区、熔覆层与基体,其中,复合区为Fe2B、γ-(Fe,Ni)多晶和非晶相的混合组织;涂层的最高显微硬度达到了1 369 HV;涂层的平均摩擦因数为0.275;涂层的主要磨损形式是磨粒磨损和粘着磨损,具有良好的摩擦磨损性能。
|
| 关 键 词： | 激光熔覆 Fe-Ni-B-Si-Nb 树枝晶 摩擦磨损 |
Fe-Ni-B-Si-Nb amorphous and nanocrystalline composite coating prepared by laser cladding and remelting |
| |
| ZHANG Pei-lei,YAN Hua,XU Pei-quan,YU Zhi-shui,LI Zhu-guo,YAO Cheng-wu.Fe-Ni-B-Si-Nb amorphous and nanocrystalline composite coating prepared by laser cladding and remelting[J].The Chinese Journal of Nonferrous Metals,2011(11). |
| |
| Authors: | ZHANG Pei-lei YAN Hua XU Pei-quan YU Zhi-shui LI Zhu-guo YAO Cheng-wu |
| |
| Affiliation: | ZHANG Pei-lei1,YAN Hua1,XU Pei-quan1,YU Zhi-shui1,LI Zhu-guo2,YAO Cheng-wu2 (1.School of Materials Engineering,Shanghai University of Engineering Science,Shanghai 201620,China,2.Shanghai Key Laboratory of Material Laser Processing and Modification,Shanghai Jiaotong University,Shanghai 200240,China) |
| |
| Abstract: | The Fe-Ni-B-Si-Nb amorphous composite coating was fabricated on the CCS-B mild steel by laser cladding and laser remelting.The phases,microstructure and impacts on glasses forming ability of the amorphous coatings were studied using X-ray diffractometer,scan electron microscope,EDAX energy spectrometer and transmission electron microscope.The microhardness,micro mechanical properties and wear resistance were studied by microhardness tester,nanoindentor and friction wear testing machine.The results show that... |
| |
| Keywords: | laser cladding Fe-Ni-B-Si-Nb dendrite wear |
| 本文献已被 CNKI 等数据库收录！ |
|
