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焊接材料母材 :碳钢焊材 :铁基堆焊材料焊接方法堆焊图 1 焊接接头各区组织整体形貌 (5 0× ) 3/4图 2 堆焊表层组织 (40 0× ) 3/4图 3 堆焊底层组织 (40 0× ) 3/4图 4 熔合区组织 (40 0× ) 3/4图 5 熔合区组织 (2 0 0× ) 3/4耐磨堆焊焊接接头金相组织(一)$
Welding material Base material: Carbon steel Welding material: Iron-based welding material Welding method Surfacing Fig.1 Overall morphology of welding joints (5 0 ×) 3/4 Fig.2 Surfacing surfacing (40 × ×) 3/4 Fig.3 Underfloor welding (40 × ×) 3/4Fig.4 Melting zone organization (40 × ×) 3/4Fig.5 Melting zone organization (200 ×) 3/4 wear-resisting surfacing Welding joint metallographic structure (A) $