• 1. upper bainite: 上贝茵体 | 上贝氏体 | 上变韧铁
• 2. feather upper bainite: 羽毛状B上
• 3. little needle upper bainite: 小针状b上

更多释义

• 1.Themicrostructure of bonded zone consist of upper bainite and grain boundary ferrite.
  接合部组织由晶界铁素体及晶内上贝氏体组成。
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• 2.The upper bainite transformation has not only essential difference but also intimate relation with pearlite decomposition;
  上贝氏体转变与珠光体分解有着本质上的区别，但又有密切的联系；
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• 3.With large welding heat input, more upper Bainite and granular Bainite form, which is benefit to improve the property of HAZ.
  采用大的线能量焊接，形成较多的上贝氏体和粒状贝氏体组织，对改善接头性能有利。
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