grain boundary cracks 中文意思是什麼

grain boundary cracks 解釋
晶間疏鬆
  • grain : n 1 穀物，糧食〈英國叫 corn〉; 谷類植物。2 穀粒，籽粒。3 （沙、金、鹽等的）粒，顆粒，晶粒。4 些微...
  • boundary : n 邊界，疆界，限界 （between）;（球場）邊線；界標；界限，范圍，分野。 aboundary dispute 邊界糾紛...
  • cracks : 板間間隙
  1. The grain - boundary cracks are found when the deformation of the strip is greater than a value, and these cracks will become marco cracks with the increase of the deformation

    變形量過大時，冷軋薄帶內部出現微觀晶界裂紋，並隨著變形量的增加最終發展成宏觀裂紋。
  2. Under the tensile stress, the fracture mode of za27 alloyed with si or mn is a mix type fracture - the plastic fracture and the brittle fracture are coexistence. cracks are mainly stemmed from brittle phases of si and mn and develop along the grain boundary

    適宜的加錳量為0 . 4 - 0 . 8 ；在拉伸應力作用下加入si或mn后的za27 ，合金的斷裂均為混合型斷裂，既有塑性斷裂，也有脆性斷裂。
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