本文提出了一种评价沥青结合料低温开裂性能的声发射方法,当沥青层温度从20℃降至约-50℃时,对沥青粘结层的声学活性进行监测。结......

1.IntroductionPhosphorus causes remarkable decreaseof impact toughness due to its segregationon grain boundary[1,2].In t......

In Fe-20Cr-4Al-Y alloys with （0.13～0.73） wt% Y,Y-containing phase was observed.Its Y content andcrystal structure were iden......

评述了国际上将溶质晶界偏聚领域的最新研究成果--非平衡晶界偏聚理论,用于INCONEL 718合金研究中所取得的最新进展.......