中国激光, 2019, 46 (3): 0302005, 网络出版: 2019-05-09 复制并引用该论文  本文已被引 9 次  被引通知

图 & 表

图 1. 摩擦磨损测试示意图

Fig. 1. Schematic of friction and wear test

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图 2. 偏晶涂层的形貌及几何尺寸。(a)~(c)形貌;(d)尺寸

Fig. 2. Morphology and geometrical characteristics of immiscible coatings. (a)-(c) Morphology; (d) geometrical characteristics

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图 3. 偏晶涂层的XRD谱

Fig. 3. XRD patterns of immiscible coatings

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图 4. 偏晶涂层的底部形貌及定量分析结果。(a) N1的底部形貌;(b) N2的底部形貌;(c) N3的底部形貌; (d) N1中富铁颗粒的粒径分布;(e) N2中富铁颗粒的粒径分布;(f) N3中富铁颗粒的粒径分布;(g)富铁颗粒的粒径;(h)富铁颗粒的面密度;(i)富铁颗粒的平均粒径及面密度

Fig. 4. Morphology in bottom of immiscible coatings and quantitative analysis results of immiscible coatings. (a) Morphology in bottom of N1; (b) morphology in bottom of N2; (c) morphology in bottom of N3; (d) size distribution of Fe-rich particles in N1; (e) size distribution of Fe-rich particles in N2; (f) size distribution of Fe-rich particles in N3; (g) size of Fe-rich paiticles; (h) surface density of Fe-rich paiticles; (i) average particles size and surface density of Fe-rich particles

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图 5. 不同扫描速率下激光熔池的性质。(a)温度;(b)温度梯度;(c)冷却速率

Fig. 5. Properties of laser molten pool at different scanning speeds. (a) Temperature profiles; (b) temperature gradient profiles; (c) cooling rate profiles

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图 6. 偏晶涂层的硬度分布

Fig. 6. Microhardness of immiscible coatings

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图 7. 偏晶涂层与黄铜的摩擦磨损性能。(a)摩擦因数; (b)磨损质量及磨损率

Fig. 7. Friction and wear properties of immiscible coatings and brass. (a) Friction coefficient; (b) wear loss and wear rate

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图 8. 偏晶涂层与黄铜的磨损形貌及磨屑形貌。(a)~(d)磨损形貌;(e)~(h)磨屑形貌

Fig. 8. Worn morphology and worn debris morphology of immiscible coatings and brass. (a)-(d) Worn morphology; (e)-(h) worn debris morphology

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图 9. 偏晶涂层与黄铜的磨损实验结果。 (a) N1,三维轮廓; (b) N2,三维轮廓;(c) N3,三维轮廓;(d)黄铜,三维轮廓; (e)磨损曲线

Fig. 9. Wear test results of immiscible coatings and brass. (a) N1, three-dimensional profile; (b) N2, three-dimensional profile; (c) N3, three-dimensional profile; (d) brass, three-dimensional profile; (e) wear curves

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表 1偏晶涂层与黄铜磨损面及磨屑的EDS分析结果

Table1. EDS results of worn surface and worn debris of immiscible coatings and brass

Position Mass fraction of elements /% O Cr Fe Cu A 28.52 6.31 46.04 19.13 B 29.36 6.59 45.50 18.54 C 15.70 8.74 62.51 13.05 D 10.80 - - 89.20 E 38.31 6.57 50.43 4.70 F 36.82 6.62 49.30 7.26 G 29.82 6.65 53.56 9.97 H 8.86 - - 91.14

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赵淑珍, 金剑波, 谢敏, 许永波, 戴晓琴, 周圣丰. 扫描速率对激光熔覆Cu80Fe20偏晶涂层组织与耐磨性能的影响[J]. 中国激光, 2019, 46(3): 0302005. Shuzhen Zhao, Jianbo Jin, Min Xie, Yongbo Xu, Xiaoqin Dai, Shengfeng Zhou. Effects of Scanning Speed on Microstructure and Wear Resistance of Cu80Fe20 Immiscible Coatings Prepared by Laser Cladding[J]. Chinese Journal of Lasers, 2019, 46(3): 0302005.