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題名 | 添加不同鉛含量對黃銅顯微組織及切削性的影響=Effects of Adding the Various Pb Contents on Microstructure and Machinability in Brass |
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作者姓名(中文) | 鍾宇翔; 周姵彣; 林盈君; 吳威德; | 書刊名 | 鑄造工程學刊 |
卷期 | 40:3=162 2014.09[民103.09] |
頁次 | 頁29-36 |
分類號 | 440.39 |
關鍵詞 | 鉛黃銅; 顯微結構; 切削性; Lead brass; Microstructure; Machinability; |
語文 | 中文(Chinese) |
中文摘要 | 本研究利用澆鑄方式成型,設計之不同比例鉛含量於黃銅中,探討添加不同鉛含量對黃銅顯微組織及切削性的影響,實驗結果顯示:隨著鉛含量(0wt%~5.0wt%)增加,針狀組織數量增加且組織有細化現象,α相分率增加,β相中鋅含量下降,硬度值下降,且鉛多析出在α相有助於增加黃銅切削性,但當鉛含量添加超過3.0wt%時,組織轉變以等軸板狀及針狀組織為主,且鉛析出在β相比例增加,不再明顯改善黃銅切削性。 |
英文摘要 | In this study, the design of different proportions of lead content in brass was processed by ingot casting method. The main purpose is to explore the effects of increased various Pb contents on microstructure and machinability in brass. The experiment results show that with the increased lead content (0wt%~5.0wt%), the amount of acicular type structure increased and caused structure thinning phenomenon, α phase fraction increased, zinc content of β phase decreased, the hardness decreased, and more lead precipitation in the α phase helped to increase the cutting ability of brass. But when lead content exceeded 3.0wt%, the microstructure turned into equiaxed plate and acicular type, and the ratio of lead precipitation in the β phase increased; therefore, it didn’t obviously improve the cutting ability of brass. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。