Q235钢表面硼碳氮共渗层及氩弧重熔层的磨损性能
Wear Properties of B-C-N Co-penetrated Layer and Argon Arc Remelted Layer on Q235 Steel Surface
摘 要
采用粉末包埋法对Q235钢进行硼碳氮共渗处理, 并对共渗层进行氩弧重熔处理; 研究了硼碳氮共渗层和氩弧重熔层的物相、截面形貌、显微硬度以及磨粒磨损和冲蚀磨损性能。结果表明: 共渗层中生成了FeB、Fe2B、Fe2N、Fe8N及Fe3C相, 氩弧重熔使得共渗层中的FeB、Fe2N、Fe8N相消失, 生成了新相Fe23(C, B)6和Fe3N; 共渗层的峰值显微硬度为1 198.4 HV, 氩弧重熔层的为1 192.8 HV, 且硬度梯度变化平缓; 共渗层和重熔层的耐磨性能均优于基体的, 且重熔层的耐磨性能优于共渗层的。
氩弧重熔层
磨损性能
co-penetrated layer
argon arc remelted layer
wear property
Abstract
B-C-N co-penetrated layer was prepared on Q235 steel surface by powder imbedding method, and argon arc remelting was carried on the co-penetrated layer. The phase, cross sectional morphology, microhardness, abrasive wear property and erosive wear property of co-penetrated layer and remelted layer were studied. The result show that the phases including FeB, Fe2B, Fe2N, Fe8N and Fe3C generated in co-penetrated layer. The phases of FeB, Fe2N, Fe8N phases in co-penetrated layer dissappeared after argon arc remelting, and the new phases including Fe23(B, C)6 and Fe3N generated. The maximum microhardness of co-penetrated layer wass 1 198.4 HV, and that of the remelted layer was 1 192.8 HV, and the hardness gradient of the remelted layer changed gently. The wear resistance of co-penetrated layer and remelted layer were higher than that of Q235 steel substrate, and remelted layer had the relatively good wear resistance.
中图分类号 TG17 DOI 10.11973/jxgccl201509003
所属栏目 试验研究
基金项目
收稿日期 2015/1/12
修改稿日期 2015/6/26
网络出版日期
作者单位点击查看
备注马壮(1963-), 男, 辽宁阜新人, 教授。
引用该论文: MA Zhuang,WANG Ni,LI Ling,LI Zhi-chao. Wear Properties of B-C-N Co-penetrated Layer and Argon Arc Remelted Layer on Q235 Steel Surface[J]. Materials for mechancial engineering, 2015, 39(9): 12～15
马壮,王倪,李玲,李智超. Q235钢表面硼碳氮共渗层及氩弧重熔层的磨损性能[J]. 机械工程材料, 2015, 39(9): 12～15
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【6】黄钧声,杨元政,陶平均,等.块状Cu60Zr30Ti10非晶合金激光熔凝层的组织和硬度[J].机械工程材料, 2009, 33(5):87-89.
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【8】HUANG Yong-jun, ZENG Xiao-yan. Study on modes of energy action in laser induction hybrid cladding[J]. Appl Surf Sci,2009,256(3):749-756.
【9】时海芳,王忠奇,白榆,等.氩弧重熔铁基合金粉末喷涂层的组织与性能[J].金属热处理,2014,39(6):29-31.
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【13】赵霞,朱艳,徐家文.氩弧重熔对20G钢渗硼层组织结构和耐磨性能的影响[J].材料保护,2011,44(8):75-77.
【14】时海芳,白榆,张博,等.添加WC的铁基Fe55粉末重熔层的组织与性能[J].金属热处理,2014,39(3):120-122.
【15】陶莹,马壮,孙方红,等.以粉煤灰和Al-TiO2-B2O3为原料制备玻璃/陶瓷复合涂层的组织及耐磨性能[J].机械工程材料,2014,38(9):29-33,38.
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