| 不锈钢模具快速制造技术 |
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| 引用本文： | 张素芝,赵紫玉.不锈钢模具快速制造技术[J].华侨大学学报(自然科学版),2009,30(2). |
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| 作者姓名： | 张素芝 赵紫玉 |
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| 作者单位： | 华侨大学,机电及自动化学院,福建,泉州,362021 |
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| 基金项目： | 国家自然科学基金，福建省自然科学基金，福建省青年创新基金，华侨大学科研基金 |
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| 摘 要： | 为了解决低熔点材料电弧熔射成形模具使用性能差、寿命低等问题,提出电弧熔射成形制作不锈钢模具的方法.以不锈钢材料为研究对象,研究电弧熔射过程中输入参数对飞行熔滴温度和速度的影响,分析熔滴的扁平化过程,并对熔射层的硬度和孔隙率进行测试.实验结果分析表明,雾化气体压力直接影响熔滴的雾化状态,熔滴飞行温度、速度,以及成形质量.随着空气压力的增大,熔滴飞行速度提高,熔射层致密且氧化物质量分数减少,气孔率降低,显微硬度也大大提高.熔射模的预热温度直接影响着熔滴的扁平化状态,从而影响熔射成形质量.
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| 关 键 词： | 电弧熔射成形 不锈钢模具 扁平化状态 成形质量 |
Rapid Manufacturing of Stainless Steel Mould |
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| ZHANG Su-zhi,ZHAO Zi-yu.Rapid Manufacturing of Stainless Steel Mould[J].Journal of Huaqiao University(Natural Science),2009,30(2). |
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| Authors: | ZHANG Su-zhi ZHAO Zi-yu |
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| Institution: | College of Mechanical Engineering and Automation;Huaqiao University;Quanzhou 362021;China |
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| Abstract: | To solve the problem of short service life and poor performance of low melting point alloy mould manufactured by arc spray forming,the manufacturing of stainless steel mould has been presented.With stainless steel as the research object,the influence of the inputting parameters on the temperature and speed of flying droplets during spraying is investigated,the flattening process of the droplets is analyzed,and the hardness and porosity of the coating is measured.The experimental results have indicated that ... |
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| Keywords: | arc spray forming stainless steel mould splat morphology forming quality |
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