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綿陽灰鑄鐵件脫碳層深度測試

信息編號:63925492 發(fā)布時間:2025/8/11 10:41:27
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灰鑄鐵具有良好的潤滑性能,用灰鑄鐵制作機電設備上經(jīng)受滑動摩擦的零件時,具有良好的減磨性能。在有水分存在的情況下,石墨是很好的潤滑劑。而一旦石墨從基體上脫落時所留下的空間又便于存住潤滑油,這也是灰鑄鐵作為良好耐磨材料的重要條件之一。
灰鑄鐵具有良好的導暖性能,用灰鑄鐵制作內燃機上的汽缸體,汽缸蓋時,可迅速到處大量的熱量。這種良好的導熱性低于在高溫下工作的機電設備是很重要的
灰鑄鐵在同一應力下反復加載時。具有加載次數(shù)增加,應變曲線彎曲程度明顯減小,卸載后殘留塑性變形也減少的特性。鑄鐵平臺_是利用這種特性,可通過過精加工前_次數(shù)的預加載,獲得高的鑄件穩(wěn)定性
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