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ＤＧＪＷ４０ 钢结硬质合金是一种采用新工艺制作的新型材料。对ＤＧＪＷ４０ 钢结硬质合金锻造前后的显微组织和力学性能进行对比分析与研究，结果表明通过锻造可使其得到有效改善。
DGJW40 steel bonded carbide is a new material made using the new technology. The comparative analysis and research on the microstructure and mechanical properties of DGJW40 steel-bonded carbide before and after forging show that it can be effectively improved by forging.