Microstructure and hardness of spray-formed H13 steel
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摘要: 用傳統鑄造和噴射成形工藝制備了H13鋼,然后再進行鍛造加工,利用光學金相顯微鏡(OM)、掃描電子顯微鏡(SEM)、X射線衍射分析(XRD)等分析方法及硬度測試對不同工藝制備的H13鋼的顯微組織和硬度進行分析.研究結果表明,噴射成形及其鍛造加工的H13鋼的組織及硬度明顯的優于傳統工藝制備的H13鋼.Abstract: H13 steel was prepared by traditional processes and spray forming respectively, then it was subjected to forging processes. The miorostructure and hardness of H13 steel prepared by different processes were studied by optical microscopy (OM), scanning electron microscopy (SEM), X-ray diffraction (XRD) and hardness tester. The results show that the spray formed and forged H13 steel possesses a finer grain size and a higher hardness than traditional H13 steel.
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Key words:
- die steel /
- spray forming /
- microstructure /
- hardness
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