钎焊层屈服强度对镐形截齿整体力学性能的影响研究  

Study on Effect of Yield Strength of Braze Layer on Overall Mechanical Properties of Pick Cutters

作　　者：刘金娃[1] 贾永军[1] 薛河[2] 闫光准[1] LIU Jin-wa;JIA Yong-jun;XUE He;YAN Guang-zhun(School of Mechanical Electrical and Information Engineering,Shaanxi Energy Institute,Xianyang 712000,China;Mechanics Institute,Xi′an University of Science and Technology,Xi′an 710054,China)

机构地区：[1]陕西能源职业技术学院机信学院,陕西咸阳712000 [2]西安科技大学机械学院,西安710054

出　　处：《煤炭技术》2020年第2期179-182,共4页Coal Technology

摘　　要：镐形截齿钎焊时由于选用的钎料不同,焊接工艺控制也有差异,使得各个截齿钎焊层屈服强度值不同,影响着硬质合金头的焊接质量。讨论钎焊层屈服强度对截齿整体力学性能的影响,探寻合理的钎焊层屈服强度值范围,分析截齿钎焊在钎料选择和工艺控制等方面的影响因素,得出提高其力学性能的措施,对提高镐形截齿实际使用寿命、减少失效和增加矿井生产效益,创新截齿生产工艺等具有较高的理论指导意义和工程实用价值。Due to different solder materials and different welding process control,the yield strength value of each cutoff brazing layer is different,which affects the welding quality of cemented carbide tip.Discuss brazing layer of yield strength to pick the overall mechanical properties,the influence of exploring reasonable brazing layer yield strength value range,analysis pick brazing filler metals in selection and the influence factors of process control,etc.,it is concluded that to improve the mechanical properties of measures,to improve the actual service life of pick,reduce error and increase the profit of the mine production,innovation pick production process has high theoretical guidance meaning and practical value in engineering.

关 键 词：钎焊层 屈服强度 镐形截齿 力学性能 

分 类 号：TG407[金属学及工艺—焊接] TG454