硬质合金激光毛化工艺试验研究

符永宏; 顾亚励; 康正阳; 王海波; 李玉弟

doi:10.7510/jgjs.issn.1001-3806.2016.04.012

硬质合金激光毛化工艺试验研究

1.
江苏大学机械工程学院, 镇江 212013

作者简介: 符永宏(1965-),男,博士,教授,主要从事摩擦润滑理论及激光应用技术的研究。E-mail:fyh@ujs.edu.cn.

基金项目:
国家重大科技成果转化资助项目(2060403);国家自然科学基金资助项目(51175233)
中图分类号: TN249

Experimental research of laser texturing of cemented carbide

1.
School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China
CLC number: TN249

摘要: 为了探究激光毛化技术在硬质合金材料表面实现微织构的应用潜能,采用单因素分析法,在YG6X硬质合金刀片表面进行了激光毛化工艺试验研究,获得了直径约270m,高度约6m的火山口形貌的微织构。结果表明,激光脉冲宽度、抽运电压、气体压力对毛化微织构形貌有着显著影响,脉冲宽度和抽运电压会较大地增大织构尺寸,气体压力显著减小织构高度约43%;硬质合金激光毛化微织构易出现微裂纹,由中心延伸至周边;组织中材料分布不均,中间有大块孔洞与空腔,但与基体有着紧密的结合强度。
- 激光技术 /
- 激光毛化 /
- 微织构 /
- 工艺试验 /
- 硬质合金
Abstract: To explore the potential application of micro-textures on the surface of cemented carbide material by laser texturing, process tests of laser texturing were carried out on the surface of YG6X cemented carbide cutters by using single factor analysis method. Crater micro-textures with approximate 270m diameter and 6m height were obtained. The experimental results show that laser pulse width, pump voltage and air pressure have important effects on the textured topography dimensions and quality of the convex textures. Pulse width and pumping voltage can increases the dimension of convex textures greatly, gas pressure can significantly reduce the height of convex textures about 43%. However, micro-cracks exist from the center to the surrounding of micro-texture materials on cemented carbide by laser texturing. Furthermore, micro-texture materials by laser texturing on cemented carbide show uneven distribution with bigger hole and cavity in the center, but have close bonding strength with substrate.
- laser technique /
- laser texturing /
- micro-textures /
- process test /
- cemented carbide

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硬质合金激光毛化工艺试验研究

作者简介: 符永宏(1965-),男,博士,教授,主要从事摩擦润滑理论及激光应用技术的研究。E-mail:fyh@ujs.edu.cn.

Experimental research of laser texturing of cemented carbide

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硬质合金激光毛化工艺试验研究

作者简介: 符永宏(1965-),男,博士,教授,主要从事摩擦润滑理论及激光应用技术的研究。E-mail:fyh@ujs.edu.cn

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Experimental research of laser texturing of cemented carbide

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硬质合金激光毛化工艺试验研究

作者简介: 符永宏(1965-),男,博士,教授,主要从事摩擦润滑理论及激光应用技术的研究。E-mail:fyh@ujs.edu.cn.

Experimental research of laser texturing of cemented carbide

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硬质合金激光毛化工艺试验研究

作者简介: 符永宏(1965-),男,博士,教授,主要从事摩擦润滑理论及激光应用技术的研究。E-mail:fyh@ujs.edu.cn

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Experimental research of laser texturing of cemented carbide

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