Research on Friction and Wear Behavior of Nano-La_2O_3 Doped Mo_2NiB_2 -based Cermets AITranslate
Abstract AITranslate
Using Ni-6 B-53.3 Mo as basic materials,Mo2NiB2-based cermets with different La2O3 doping concentration(0%,0.3%,0.6%,0.9%,1.2%)were prepared by vacuum hot-pressed sintering at 970℃.The effects of La2O3 doping concentration on the microstructure and friction and wear properties of Mo2NiB2-based cermets were investigated by high temperature vacuum friction and wear tester,surface profiler,laser confocal microscopy and X-ray diffraction.The results show that with the increase of La2O3 content,the wear rate and friction coeffiction of Mo2NiB2-based cermets are increased first and then decreased under the same load at room temperature.The wear rate and friction coefficient of Mo2NiB2-based cermets doped with 0.3%La2O3 are the highest and doped with 1.2%La2O3 are the lowest.The effects of load on wear resistance of Mo2NiB2-based cermets is obvious,the wear rate and friction coeffiction decrease with the increase of load.As temperature increases,the wear rate of La2O3 doped Mo2NiB2-based cermets decreases first and then stabilizes gradually,and the friction coefficient decreases first and then increases.
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Basic Information:
DOI：
Chinese Library Classification Number:TG148[金属学及工艺—金属材料]
Citation Information:
Using Ni-6 B-53.3 Mo as basic materials,Mo2NiB2-based cermets with different La2O3 doping concentration(0%,0.3%,0.6%,0.9%,1.2%)were prepared by vacuum hot-pressed sintering at 970℃.The effects of La2O3 doping concentration on the microstructure and friction and wear properties of Mo2NiB2-based cermets were investigated by high temperature vacuum friction and wear tester,surface profiler,laser confocal microscopy and X-ray diffraction.The results show that with the increase of La2O3 content,the wear rate and friction coeffiction of Mo2NiB2-based cermets are increased first and then decreased under the same load at room temperature.The wear rate and friction coefficient of Mo2NiB2-based cermets doped with 0.3%La2O3 are the highest and doped with 1.2%La2O3 are the lowest.The effects of load on wear resistance of Mo2NiB2-based cermets is obvious,the wear rate and friction coeffiction decrease with the increase of load.As temperature increases,the wear rate of La2O3 doped Mo2NiB2-based cermets decreases first and then stabilizes gradually,and the friction coefficient decreases first and then increases.
quote
| GB/T 7714-2015 | [1] ZHOU Pei-de, LI Wen-hu, AI Tao-tao, et al. Research on Friction and Wear Behavior of Nano-La_2O_3 Doped Mo_2NiB_2 -based Cermets[J]. Rare Metals and Cemented Carbides, 2019(2): 10-14. |
| MLA | [1] ZHOU Pei-de, et al., "Research on Friction and Wear Behavior of Nano-La_2O_3 Doped Mo_2NiB_2 -based Cermets." Rare Metals and Cemented Carbides, no. 2, 2019, pp. 10-14. |
| APA | [1] ZHOU Pei-de, LI Wen-hu, AI Tao-tao, NIU Qun-fei, & ZHANG Liang. (2019). Research on Friction and Wear Behavior of Nano-La_2O_3 Doped Mo_2NiB_2 -based Cermets. Rare Metals and Cemented Carbides(2), 10-14. |
| IEEE | [1] ZHOU Pei-de, LI Wen-hu, AI Tao-tao, NIU Qun-fei, and ZHANG Liang, "Research on Friction and Wear Behavior of Nano-La_2O_3 Doped Mo_2NiB_2 -based Cermets," Rare Metals and Cemented Carbides, no. 2, pp. 10-14, 2019. keywords: {La2O3 doping;Mo2NiB2-based cermets;microstructure;friction and wear properties} |