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保山蠕墨鑄鐵件鋼質(zhì)模鍛件測試

信息編號:63928444 發(fā)布時間:2025/8/12 10:45:43
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蠕蟲狀石墨對基體產(chǎn)生的應(yīng)力集中與割裂現(xiàn)象明顯減小,因此,蠕墨鑄鐵的力學(xué)性能優(yōu)于基體相同的灰鑄鐵,而低于球墨鑄鐵。但蠕墨鑄鐵在鑄造性、導(dǎo)熱性能等方面要比球墨鑄鐵好。蠕墨鑄鐵主要用于承受循環(huán)載荷且要求組織致密、強(qiáng)度較高形狀復(fù)雜的工件,如汽缸蓋、進(jìn)排氣管、液壓件和鋼錠模等。
蠕墨鑄鐵的熱處理主要是為了調(diào)整其基體組織,以達(dá)到不同的力學(xué)性能要求。
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