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西雙版納可鍛鑄鐵件定量金相測試

信息編號:63931416 發布時間:2025/8/13 11:07:56
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白心可鍛鑄鐵
白心可鍛鑄鐵,由法國人R.A.F. de羅茂于1722年研制成功。將碳、硅含量較低的白口鑄鐵密封在氧化介質中,在950~1050℃溫度下保持幾十個小時進行脫碳退火處理,就得到外層為鐵素體、中心殘留著少量珠光體和團絮狀石墨的顯微組織。其心部斷口呈白色,故稱為白心可鍛鑄鐵。
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