摘要
采用真空感应方法制备了不同Y含量的Ti_(52-x)Al_(48)Y_(x)(x=0~1.0,摩尔分数)合金,分析了Y含量对Ti_(52-x)Al_(48)Y_(x)合金组织与力学性能的影响。结果表明,添加Y可显著细化合金晶粒,且产生Al3Y相和Y2O3相,随着Y含量增加,合金晶粒尺寸逐渐减小,硬度不断增加。当Y含量为1.0%时,合金的硬度(HV)最高,达到372。随着Y含量增加,Ti_(52-x)Al_(48)Y_(x)合金的抗压强度先上升后降低,当Y含量为0.3%时抗压强度最大,为2 230 MPa,相较原始合金增长了32%。
Ti_(52-x)Al_(48)Y_(x)(x=0~1.0)alloy,was fabricated by vacuum induction method,and effects of Y content on microstructure and mechanical properties of Ti_(52-x)Al_(48)Y_(x) alloy were investigated.The results indicate that Y addition can significantly refine the grain,while Al3Y and Y2O3 phase are generated in the alloy.With the increase of Y content,the grain size is decreased,and hardness is increased,which reaches the maximum of 372 HV at 1.0%.The compres⁃sive strength is increased and then decreased with the increase of Y content,reaching the maximum of 2230 MPa at 0.3%,which is 32%higher than that of base alloy.
作者
樊江磊
周棹
魏泽新
吴深
周向葵
李莹
王艳
FAN Jianglei;ZHOU Zhao;WEI Zexin;WU Shen;ZHOU Xiangkui;LI Ying;WANG Yan(School of Mechanical and Electrical Engineering,Zhengzhou University of Light Industry,Zhengzhou 450002)
出处
《特种铸造及有色合金》
CAS
北大核心
2024年第7期870-878,共9页
Special Casting & Nonferrous Alloys
基金
河南省自然科学基金资助项目(222300420584)。
