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西雙版納球墨鑄鐵件灰鑄鐵金相測(cè)試

信息編號(hào):63928324 發(fā)布時(shí)間:2025/8/12 10:17:45
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球墨鑄鐵由於其糊狀凝固的特徵決定所生產(chǎn)的鑄鐵由於補(bǔ)縮不良經(jīng)常產(chǎn)生縮孔、縮松等缺陷,為了能在鑄件生產(chǎn)以前預(yù)測(cè)這些缺陷情況,早在印年代國(guó)內(nèi)外就開展了鑄造過程數(shù)值類比。鑄造過程數(shù)值類比是使用數(shù)值類比技術(shù),在計(jì)算機(jī)虛擬的環(huán)境下類比實(shí)際鑄件形成過程,包括金屬液體的充型過程、冷卻凝固過程、應(yīng)力形成過程、判斷成型過程中主要原素的影響程度,預(yù)測(cè)組織、性能和可能出現(xiàn)的缺陷,為優(yōu)化工藝減少?gòu)U品提供依據(jù)。
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