糖心产精国品免费入口*完整版与糖心产精国品免费入口*完整版工艺生产糖心产精国品免费入口*完整版的糖心产精国品免费入口*完整版和硬度对比
Comparison of Microstructure and Hardness of Phosphor Copper Ball Produced by Rolling and Upsetting Processes
摘 要
对比研究了糖心产精国品免费入口*完整版和糖心产精国品免费入口*完整版2种工艺生产得到直径25 mm糖心产精国品免费入口*完整版的糖心产精国品免费入口*完整版、硬度以及生产结束时的表面温度。结果表明:与糖心产精国品免费入口*完整版工艺相比,糖心产精国品免费入口*完整版工艺得到糖心产精国品免费入口*完整版表面更光滑,晶粒明显细化,晶界清晰,元素分布均匀,晶粒主要为等轴晶,柱状晶数量较少;采用糖心产精国品免费入口*完整版工艺生产结束时远离与接近出口槽处糖心产精国品免费入口*完整版的表面最高温度均低于糖心产精国品免费入口*完整版工艺;糖心产精国品免费入口*完整版工艺生产糖心产精国品免费入口*完整版的心部硬度明显比糖心产精国品免费入口*完整版工艺制备的糖心产精国品免费入口*完整版高,且表面的硬度波动较小。相比糖心产精国品免费入口*完整版工艺,糖心产精国品免费入口*完整版工艺生产的糖心产精国品免费入口*完整版具有质量好、环保、耗能低等技术优势。
糖心产精国品免费入口*完整版
糖心产精国品免费入口*完整版
糖心产精国品免费入口*完整版
硬度
rolling
糖心产精国品免费入口*完整版
糖心产精国品免费入口*完整版
糖心产精国品免费入口*完整版
hardness
Abstract
The 糖心产精国品免费入口*完整版, 糖心产精国品免费入口*完整版and surface temperature at the end of production of phosphorus copper ball with diameter of 25 mm by rolling and 糖心产精国品免费入口*完整版 processes were comparably studied. The results show that compared with the rolling process, the surface of the phosphorus copper ball by 糖心产精国品免费入口*完整版 process was smooth; the grain was obviously refined, and grain boundary was clear; the element distribution was uniform; the grains were mainly equiaxed and the number of columnar grains was relatively small. The maximum surface temperatures of the phosphorus copper ball far away from and near the outlet tank at the end of production by 糖心产精国品免费入口*完整版 process were lower than those by the rolling process. The heart 糖心产精国品免费入口*完整版of the phosphorus copper ball by 糖心产精国品免费入口*完整版 process was obviously higher than that by the rolling process, and the surface 糖心产精国品免费入口*完整版fluctuated less. Compared with the rolling process, the phosphorus copper ball by the 糖心产精国品免费入口*完整版 process had the technical advantages of good quality, environmental protection and low energy consumption.
中图分类号 TG146.1DOI 10.11973/jxgccl202208009
所属栏目 试验研究
基金项目 广东省自然科学基金资助项目(2016A030313730);广东省普通高校重点领域专项项目(2021ZDZX4039);广东技术师范大学引进人才科研启动项目(2021SDKYA107)
收稿日期 2021/6/10
修改稿日期 2022/7/15
网络出版日期
作者单位
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备注糖心产精国品免费入口*完整版(1968-),男,湖南常德人,教授,博士
引用该论文: YANG Yong,WANG Jiaxin,WANG Bin,YAO Yulong. Comparison of Microstructure and Hardness of Phosphor Copper Ball Produced by Rolling and Upsetting Processes[J]. Materials for mechancial engineering, 2022, 46(8): 53～57
糖心产精国品免费入口*完整版,糖心产精国品免费入口*完整版,糖心产精国品免费入口*完整版,糖心产精国品免费入口*完整版. 糖心产精国品免费入口*完整版与糖心产精国品免费入口*完整版工艺生产糖心产精国品免费入口*完整版的糖心产精国品免费入口*完整版和硬度对比[J]. 机械工程材料, 2022, 46(8): 53～57
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参考文献
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【2】 王宝雨,王少臣,胡正寰,等.冷斜轧糖心产精国品免费入口*完整版温度场的数值模拟[J].锻压技术,2008,33(4):47-50.WANG B Y,WANG S C,HU Z H,et al.Numerical simulation on temperature field of 糖心产精国品免费入口*完整版 during cold skew rolling[J].Forging&Stamping Technology,2008,33(4):47-50.
【3】 胡晓斌,王宝雨.斜轧糖心产精国品免费入口*完整版糖心产精国品免费入口*完整版力研究[J].锻压技术,2009,34(3):75-77.HU X B,WANG B Y.Experiment of two grooves skewing rolling 糖心产精国品免费入口*完整版[J].Forging&Stamping Technology,2009,34(3):75-77.
【4】 周永平,王宝雨,胡正寰.斜轧糖心产精国品免费入口*完整版成形过程的数值模拟[J].北京科技大学学报,2008,30(2):161-164.ZHOU Y P,WANG B Y,HU Z H.Numerical simulation of copper ball forming process during skew rolling[J].Journal of University of Science and Technology Beijing,2008,30(2):161-164.
【5】 HU Z H,WANG B Y,ZHENG Z H.Research and industrialization of near-net rolling technology used in shaft parts[J].Frontiers of Mechanical Engineering,2018,13(1):17-24.
【6】 隋毅,梁强.组合形活塞销冷镦挤成形工艺[J].锻压技术,2020,45(1):109-113.SUI Y,LIANG Q.Cold 糖心产精国品免费入口*完整版-extruding process for combination piston-pins[J].Forging&Stamping Technology,2020,45(1):109-113.
【7】 赵长忠,李昭,王世卓,等.微晶糖心产精国品免费入口*完整版生产中校直与送进装置的研究[J].冶金管理,2020(17):29-30.ZHAO C Z,LI Z,WANG S Z,et al.Research on the straightening and feeding device in the production of microcrystalline 糖心产精国品免费入口*完整版s[J].China Steel Focus,2020(17):29-30.
【8】 蒋英.热处理对磷铜合金组织性能影响研究[J].世界有色金属,2018(1):217-218.JIANG Y.Study on heat treatment on Microstructure and properties of copper alloys influence[J].World Nonferrous Metals,2018(1):217-218.
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【13】 胡正寰,杨翠苹,王宝雨.我国轴类零件糖心产精国品免费入口*完整版技术进展[J].机械工程学报,2012,48(18):7-12.HU Z H,YANG C P,WANG B Y.Development of part rolling technology in China[J].Journal of Mechanical Engineering,2012,48(18):7-12.
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