It is observed that considerable liquation microcracks and some other microffissures called solid-state microcrack initiate in the regions nearby the fusion line and propagate across the grain boundary.
It is observed that considerable liquation microcracks and some other microffissures called solid-state microcrack initiate in the regions nearby the fusion line and propagate across the grain boundary.
研究发现，熔合线附近的热影响区产生大量液化裂纹和沿晶扩展的固相裂纹。