晶内析出的碳化物形态与转变温度有关。
The shape of carbide formed with in grain depended on holding temperature.
时效态合金在焊核区晶内析出的第二相明显要多于固溶态。
The amount of intragranular precipitates in the age treated alloy were more than that of the solution treated alloy.
提高V含量使细小弥散的碳化钒在晶内析出，产生明显的沉淀强化效果。
V strengthened welds exhibited higher toughness than that strengthened with C in the same strengthening effect.
结果表明：晶内强度随碳化物动态析出量的增加而上升，高温塑性随之而降低。
The high-temperature ductility deteriorates and intra-granular strength increases with an increases of dynamic precipitation of carbide.
出现再热脆性的主要原因是晶界粗大碳化物的析出和晶内二次硬化。
The authors suggest that the primary factors of the reheat embrittlement are precipitation of coarse carbide along the grain boundary and secondary hardening in the grain.
通过晶内铁素体的析出细化了晶粒，提高了钢的强度与韧性。
The existence of intragranular ferrite can refine austenite grains and enhance the strength and toughness of the steel.
焊后，大量M6C在晶内弥散析出，在晶界和孪晶界上不连续析出，原有的碳化物长大。
After welding, a large volume fraction of tiny M6C precipitates in the matrix is discontinuously dispersed in the grain boundaries and twin boundaries, and the original carbides become bigger.
结果表明：经固溶处理的焊缝和热影响区，晶内奥氏体析出变少，晶粒尺寸变小，同时奥氏体的形状由长条状变为圆状。
The results show that the precipitated austenite crystals of welded joint after solid solution treatment are fewer, the grains are smaller. And the shape of austenite changes from strip to roundness.
当温度较低的时候，微合金碳氮化物主要在位错线等晶内缺陷处析出。
At low temperature the microalloyed carbonitrides mainly precipitate at defects such as dislocation lines in grains.
当温度较低的时候，微合金碳氮化物主要在位错线等晶内缺陷处析出。
At low temperature the microalloyed carbonitrides mainly precipitate at defects such as dislocation lines in grains.
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