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| 1 | Influence of Substrate Negative Bias on Structure and Properties of TiN Coatings Prepared by Hybrid HIPIMS Method显示文摘TiN coatings were deposited using a hybrid home-made high power impulse magnetron sputtering(HIPIMS)technique at room temperature.The effects of substrate negative bias voltage on the deposition rate,composition,crystal structure,surface morphology,microstructure and mechanical properties were investigated.The results revealed that with the increase in bias voltage from-50 to-400 V,TiN coatings exhibited a trend of densification and the crystal structure gradually evolved from(111) orientation to(200)orientation.The growth rate decreased from about 12.2 nm to 7.8 nm per minute with the coating densification.When the bias voltage was-300 V,the minimum surface roughness value of 10.1 nm was obtained,and the hardness and Young's modulus of TiN coatings reached the maximum value of 17.4 GPa and 263.8 GPa,respectively.Meanwhile,the highest adhesion of 59 N was obtained between coating and substrate. | Zhenyu Wang Dong Zhang Peiling Ke Xincai Liu Aiying Wang | 2015 | Journal of Materials Science & Technology2015，31，1： | 10 |
| 2 | 采用双辉等离子表面冶金技术在45钢表面制备Fe-Al-Cr-Nb合金层的摩擦性能(英文)显示文摘采用双辉等离子表面冶金技术在45钢基体表面制备Fe-Al-Cr-Nb合金层。利用扫描电镜、能谱仪和X射线衍射仪对该合金层的显微组织和物相组成进行表征。结果表明,该合金层表面形貌完整且致密;厚度约为20μm;各合金元素含量沿截面方向呈梯度分布。显微硬度和纳米压痕实验表明,Fe-Al-Cr-Nb合金层的表面硬度为HV 580,约为基体45钢的2.8倍;与基体相比,该合金层具有较小的位移偏移量和较大的弹性模量。通过室温摩擦磨损实验表明,Fe-Al-Cr-Nb合金层的摩擦因数低且磨损量小,说明该合金层可显著提高基体的表面硬度和耐磨性。 | 罗西希 姚正军 张平则 陈煜 杨红勤 吴小凤 张泽磊 林玉划 徐尚君 | 2015 | Transactions of Nonferrous Metals Society of China2015，25，11： | 2 |
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