The results show a certain time thermal cycle can cause the fracture mechanism change.It varies from original pure shear fracture to microvoid coalescence fracture gradually.

 
  • 結果表明,一定時(shí)間的熱循環(huán)會(huì )造成LF6鋁合金焊接接頭斷裂機理的改變,由未經(jīng)熱循環(huán)時(shí)的純剪切型斷裂,逐漸過(guò)渡成微孔聚集型斷裂。
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