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。
Weld metal zone are mostly acicular ferrite which can improve the weld zone toughness.
焊缝金属区晶粒分布均匀，焊缝金属区多为针状铁素体，能够提高焊缝区的韧性。
The results show that the coarse austenite grain in heat affect zone (HAZ) of Ni-base alloy is observed, mass ferrite appears in HAZ of X60 steel.
高温高压法加速腐蚀。结果表明，C4镍基合金热影响区奥氏体晶粒长大，X60钢过热区为大块铁素体组织。
It is shown that the high temperature cooling zone plays an important role in formation of calcium ferrite and high-basicity sinter.
研究表明，高温冷却带对烧结矿的成矿起着十分重要的作用。
The effective method to improve the impact ductility of this zone is to change the welding process and conduct post-weld heat treatment, which is help to divide M-A component into ferrite and carbide.
改善焊接工艺或进行焊后热处理，使M - A组元分解成铁素体和碳化物是提高其韧性的有效方法。
The coarse primary ferrite appeared in weld metal, and coarse bainite appeared in heat-affected zone under larger heat input welding condition, which caused low...
在较大焊接热输入条件下焊接，焊缝金属产生粗大先共析铁素体、过热区产生粗大粒状贝氏体，焊接接头低温冲击韧性因此降低。
The coarse primary ferrite appeared in weld metal, and coarse bainite appeared in heat-affected zone under larger heat input welding condition, which caused low...
在较大焊接热输入条件下焊接，焊缝金属产生粗大先共析铁素体、过热区产生粗大粒状贝氏体，焊接接头低温冲击韧性因此降低。
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