unattacked

1.The effect of hot corrosion on creep strength of alloy at 700℃ is much more severe than that at 850℃, although the alloy is nearly unattacked at 700℃ by salt.

值得提出是,尽管700℃下合金几乎不经受热,但与850℃相比,对蠕变强度响却是700℃时更为强烈。