The improvement of heating temperature can promote the remelting rate and restrain the coalescence of grains to a certain extent,which is helpful to refining the grain size in partial remelting s...

• 组织演变机理分析表明,提高加热温度,加快液相形成速度对晶粒合并长大具有一定的抑制作用,有利于细化部分重熔晶粒组织。