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Configuration optimization of high velocity arc spraying gun
  • ISSN号：1003-6326
  • 期刊名称：《中国有色金属学报：英文版》
  • 时间：0
  • 分类：TG174[金属学及工艺—金属表面处理;金属学及工艺—金属学]
  • 作者机构：[1]National Key Laboratory for Remanufacturing, Academy of Armored Forces Engineering, Beijing 100072, China National Key Laboratory for Remanufacturing, Academy of Armored Forces Engineering, Beijing 100072, China National Key Laboratory for Remanufacturing, Academy of Armored Forces Engineering, Beijing 100072, China National Key Laboratory for Remanufacturing, Academy of Armored Forces Engineering, Beijing 100072, China
  • 相关基金：Project (50235030) supported by the National Natural Science Foundation of China
作者： CHEN Yong-xiong ZHU Zi-xin LIU Yan XU Bin-shi[1]
关键词： high, VELOCITY, ARC, SPRAYING, GUN, CONFIGURATION, optimization, COATING
中文摘要：

In order to improve the in-flight characteristics of the atomizing droplets during high velocity wire arc spraying (HVAS), some changes have been operated on the original design of the HVAS gun configuration. A comparative study was carried out to investigate the microstructure and properties of the coatings produced by the original design spraying gun and the modified one, using 3Cr13 wires of 3 mm in diameter. The characteristics of their jets were examined during spraying. The results indicate that, the included angle between the two wires and the distance from the nozzle to the meeting point of the two vires may have a strong influence on the characteristics of the in-flight droplets and then the coatings. The jet divergence is found to be lower than that of the original one (about 12° against 25°). By modified gun, the adhesion strength, the microhardness and porosity of the coating deposited by modified gun are increased by 39% and 9% respectively. And the porosity of the coatings is decreased by 57%.

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期刊信息
  • 《中国有色金属学报：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国有色金属学会
  • 主编：黄伯云
  • 地址：中国长沙中南大学
  • 邮编：410083
  • 邮箱：f-xsxb@csu.edu.cn
  • 电话：0731-88830949
  • 国际标准刊号：ISSN：1003-6326
  • 国内统一刊号：ISSN：43-1239/TG
  • 邮发代号:42-317
  • 获奖情况:
  • 国家“双百”期刊,第二届全国优秀科技期刊评比二等奖,中国有色金属工业总公司优秀科技期刊一等奖
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,美国剑桥科学文摘,美国科学引文索引（扩展库）,英国科学文摘数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊
  • 被引量:1159