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文山蠕墨鑄鐵件共晶碳化物不均勻度測試

信息編號:63928514 發(fā)布時間:2025/8/12 10:57:01
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試樣選擇
蠕墨鑄鐵件檢測時,在試樣制備階段要根據(jù)鑄件的重量和壁厚所選取的試樣型式(單鑄試樣、附鑄試樣、并排試樣、本體試樣),除非另有協(xié)議,試樣的選取應該由供方確定。?當鑄件重量超過?2000kg 且主要壁厚超過 60mm 時,應優(yōu)先采用附鑄試塊或并排試塊。試塊的尺寸和位置應該由供需雙方商定。我們在對型內(nèi)球化處理時,不應采用單鑄試塊。需熱處理時,試塊應與所代表的鑄件進行相同的熱處理,熱處理后再制取試樣。所有的試塊都應有明顯的標記以確保可追溯性。
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