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題名 | 銅鉬元素對ADI沖蝕磨耗行為之影響=Effects of Copper and Molybdenum on Erosion and Wear Behaviors of Austempered Ductile Iron |
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作者姓名(中文) | 許正勳; 黃冠豪; 林冠廷; | 書刊名 | 鑄造工程學刊 |
卷期 | 38:3=154 2012.09[民101.09] |
頁次 | 頁1-8 |
分類號 | 472.15 |
關鍵詞 | 銅; 鉬; 沃斯回火延性鑄鐵; 耐沖蝕; 耐磨耗; Copper; Molybdenum; Austempered ductile iron; Erosion resistance; Wear resistance; |
語文 | 中文(Chinese) |
中文摘要 | 本研究主要是針對有添加1.0wt%銅、1.0wt%鉬與未添加合金元素之三種延性鑄鐵(DI),執行300℃-3hr沃斯回火熱處理使成為沃斯回火延性鑄鐵(ADI),然後進一步探討DI與ADI之耐磨耗性及耐沖蝕性的差異,以了解銅、鉬元素與沃斯回火對延性鑄鐵沖蝕磨耗行為之影響。實驗結果顯示,在沖蝕行為方面發現添加1%鉬元素之ADI,因強度、硬度獲得提升,但延性降低,故發生最大沖蝕率的角度將往高角度偏移;另添加1%銅元素之ADI,則因延韌性增加,造成發生最大沖蝕率的角度往低角度偏移。對有或無添加合金元素之DI及ADI而言,發生最大沖蝕率角度約在30°~45°,而發生最大沖蝕深度約在50~55°。在磨耗試驗方面,ADI無論有無添加合金元素,其磨耗率均比鑄態為低,換言之,耐磨耗性比鑄態提升的幅度有10倍之多。 |
英文摘要 | In this study, three types of ductile irons (DI), 1 wt.% Cu alloyed, 1 wt.% Mo alloyed, and unalloyed ductile irons, were selected as the experimental materials. These irons were further treated with 300℃-3hr austempering to become austempered ductile irons (ADI), and then erosion tests and wear tests were performed for understanding the effects of Cu/Mo addition on wear resistance and erosion resistance of the irons. The results showed that the addition of 1% Mo for ADI increased the strength and hardness, but reduced ductility, resulting in the occurrence of the maximum erosion rate at a higher impacted angle. The addition of 1% Cu for ADI increased toughness and ductility, resulting in occurrence of the maximum erosion rate at a lower impacted angle. For all the irons, the maximum erosion rate occurred in the range of 30°~45°, whereas the maximum erosion depth occurred in the range of 50~55°. In wear tests, regardless of alloy addition, wear rate of ADI was lower than that of the as-cast, that is, the wear resistance of ADI is about 10 times as high as the as-cast. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。