Joinability of nickel alloy insert built by laser metal deposition to mild steel via compound casting by Lee, Brian Zhan Rui

“…The abrupt transition from IN718’s original LMD columnar grains to its new CC recrystallized fine chill grains is a prominent dislocation pile-up junction under stress. This characteristic makes the IN718 side of the interface more susceptible to failure despite its superior mechanical properties to WCB. …”
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