图6. Ti-22Al-25Nb合金经1000℃/10-120 min/WC+800℃/8 h/FC处理后的显微组织
Fig.6. Microstructures of Ti-22Al-25Nb alloy at 1000℃/10~120 min/WC+800℃/8 h/FC treatments (a, b) 1000℃/10 min/WC+800℃/8 h/FC, (c, d) 1000℃/30 min/WC+800℃/8 h/FC, (e, f) 1000℃/60 min/WC+800℃/8 h/FC, (g, h) 1000℃/120 min/WC+800℃/8 h/FC. (a, c, e, g) low magnification and (b, d, f, h) high magnification