固溶+时效处理对粉末冶金Ti-22Al-25Nb合金显微硬度的影响
贾建波1,鹿超1,杨志刚1,董添添1,顾勇飞1,徐岩1,2(
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Effect of Solution- and Aging-treatment on Microstructure and Microhardness of a Powder Metallurgy Ti-22Al-25Nb Alloy
JIA Jianbo1,LU Chao1,YANG Zhigang1,DONG Tiantian1,GU Yongfei1,XU Yan1,2()
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图7. Ti-22Al-25Nb合金经1100℃/10~120 min/WC + 800℃/8 h/FC处理后的SEM照片
Fig.7. SEM micrographs of Ti-22Al-25Nb alloy at 1100℃/10~120 min/WC + 800℃/8 h/FC treatments (a, b) 1100℃/10 min/WC+800℃/8 h/FC, (c, d) 1100℃/30 min/WC+800℃/8 h/FC, (e, f) 1100℃/60 min/WC+800℃/8 h/FC, (g, h) 1100℃/120 min/WC + 800℃/8 h/FC. (a, c, e, g) low magnification and (b, d, f, h) high magnification
