常見例句Pre-deformation prior to overaging remarkably refine and spheroidize the grain structure of AA2195 Al-Li alloy. 過時效前的軋制預(yù)變形明顯細化并等軸化AA2195 鋁鋰合金的晶粒。There is no need for solid solution and overaging pretreatments in the superplastic deformation process. 可省去固溶與過時效預(yù)處理工序。Compared with the samples prepared by normal aging treatment, the test samples prepared by overaging treatment have better wear resistance. 采用固溶過時效處理之后,耐磨性優(yōu)于正常固溶時效處理的試樣。The recrystallization, austenization and overaging of cold rolled strip during continuous annealing were investigated by optical microscopy and scanning electron microscopy. 摘要采用光學顯微鏡與掃描電鏡觀察分析了實驗鋼冷軋組織在連續(xù)退火過程中的再結(jié)晶與相變規(guī)律,研究了過時效回火對雙相鋼顯微組織的影響。We in this paper study the effect of overaging temperature and final rolling temperatureon the microstructure and mechanical properties of 8090 Al-Li alloy. 研究了終軋前過時效溫度和終軋溫度對8090鋁鋰合金再結(jié)晶行為和力學性能的影響。When the critical particales did occur with high volume density after overaging, their distribution also had a sinificant effect on the final grain refinement. 并且進一步得出,在質(zhì)點的尺寸 滿足臨界條件之后,質(zhì)點的分布對再結(jié)晶后的晶粒尺寸影響頗大。 返回 overaging