不同退火温度对Mo-47.5%Re锻棒性能影响研究  

Study on the Effect of Different Annealing Temperatures on Properties of Mo-47.5%Re Forging Rod

作　　者：董建英 钟铭 孙伟 缪阳谷 吴朝圣 吕思键 DONG Jianying;ZHONG Ming;SUN Wei;MIAO Yanggu;WU Chaosheng;LV Sijian(Hebei Starshining Advanced Materials Co.,Ltd.,Langfang 065400,Hebei,China)

机构地区：[1]河北星耀新材料科技有限公司,河北廊坊065400

出　　处：《中国钼业》2023年第5期55-58,共4页China Molybdenum Industry

摘　　要：采用氢气退火炉对∅12 mm锻打至∅3.6 mm的Mo-47.5%Re(质量分数)合金棒进行退火试验,退火温度为:1100、1200、1300、1400、1500℃和2050℃,通过拉伸试验机、硬度仪、金相显微镜等分析手段,研究了拉伸性能、硬度、再结晶温度等。试验结果表明:开始再结晶温度为1200℃左右、完全再结晶温度1300℃左右,在1100℃去应力退火拉伸强度可达1172 MPa,延伸率18.9%,硬度405 HV30。Annealing test were carried out on Mo-47.5%Re(mass fraction)alloy rods from∅12 mm to∅3.6 mm using hydrogen annealing furnace.The annealing temperature was:at 1100,1200,1300,1400,1500 and 2050℃.The tensile properties,hardness and recrystallization temperature were studied by means of tensile testing machine,hardness tester and metallographic microscope.The test results show that the initial recrystallization temperature is about 1200℃,the complete recrystallization temperature is about 1300℃,the stress removal annealing at 1100℃tensile strength can reach 1172 MPa,elongation 18.9%,hardness 405 HV30.

关 键 词：Mo-47.5%Re合金棒 再结晶温度 拉伸强度 

分 类 号：TG146.41[一般工业技术—材料科学与工程]