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雙金屬(高鉻鑄鐵-合金鋼)水泥鎚頭之研究-最佳熱處理條件建立及耐磨耗性分析

Development of the Bimetal (High Cr Cast Iron-Alloyed Steel) Hammer-Optimal Heat Treatment Conditions and Wear Resistance Property

摘要


本研究針對雙金屬(高鉻鑄鐵-合金鋼)水泥鎚頭鑄件,擬建立鑄造技術、探討最佳熱處理條件及分析鎚頭之顯微組織(包含具耐磨耗性之頭部、具韌性之柄部及兩者過渡區)及機械性質(包含硬度及耐磨耗性)。在實驗方法上,分析不同destabilization溫度及回火溫度對於高鉻鑄鐵及合金鋼之顯微組織、硬度值及耐磨耗性之影響,以建立雙金屬水泥鎚頭之最佳熱處理條件。本研究之目的在於獲致優良硬度及耐磨耗性之高鉻鑄鐵頭部及優良韌性之合金鋼柄部,以期在實際應用時可獲致較傳統單合金高錳鋼鎚頭較長的使用壽命。

關鍵字

雙金屬 高鉻鑄鐵 熱處理 耐磨耗

並列摘要


This study intended to develop the casting method for the production of the bimetal hammer which consists of Cr-Ni steel shank and high Cr cast iron head. In addition, the optimal heat treatment conditions to achieve the desired microstructures, hardness and wear resistant property will be established in this work. The objective of this study is to attain a bimetal hammer which has a tough alloyed steel shank and a high wear resistant head, which can replace the traditional single alloy (high Mn steel) hammer with substantially increased service life.

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