浇注温度对新型镍基轴尖合金铸件性能的影响  

Effect of Pouring Temperature on Properties of New Type of Ni-based Shaft Tip Alloy Castings

作　　者：王洋[1] WANG Yang(Liaoning Mechatronics College, Dandong 118009, China)

机构地区：[1]辽宁机电职业技术学院

出　　处：《热加工工艺》2018年第9期94-96,共3页Hot Working Technology

基　　金：辽宁省教育厅科技计划项目(LJ2015580)

摘　　要：采用不同的浇注温度进行了新型镍基轴尖合金的制备试验,对其硬度、耐磨损性能和显微组织进行了的测试与分析。结果表明：随浇注温度从1400℃升高至1500℃,合金的硬度、耐磨损性能均先提升后下降。新型镍基轴尖合金的浇注温度优选为1475℃,枝晶细化,显微组织得到改善。A new type of nickel base shaft tip alloy was prepared at different pouring temperatures. The hardness, wear resistance and microstructure were tested and analyzed. The results show that with the increase of pouring temperature from1400℃ to 1500℃, the hardness and wear resistance of the alloy increase firstly and then decrease. The optimum pouring temperature of the new nickel-base shaft tip alloy is 1475 ℃, the dendrite is refined and the microstructure is improved.

关 键 词：浇注温度 镍基轴尖合金 硬度 耐磨损性能 枝晶间距 

分 类 号：TG244[金属学及工艺—铸造] TG132.3[一般工业技术—材料科学与工程]