外文翻譯中文--熱軋普碳線(xiàn)材控冷過(guò)程熱交換模型研究-其他專(zhuān)業(yè)-資料下載頁(yè)
2025-01-19 10:21本頁(yè)面
【導(dǎo)讀】奧氏體相變動(dòng)力學(xué)。采用二維有限元分析來(lái)求解，采用非均勻邊界條件的熱傳導(dǎo)。方程，因?yàn)檫@樣是符合實(shí)際冷卻條件的。采用熱力學(xué)分析和累進(jìn)法則獲得了冷卻。曲線(xiàn)，并對(duì)奧氏體轉(zhuǎn)變行為進(jìn)行分析。為了驗(yàn)證模型結(jié)果，在實(shí)驗(yàn)室測(cè)量不同冷。預(yù)測(cè)數(shù)據(jù)和實(shí)驗(yàn)結(jié)果較為吻合。鍵，直接影響最終產(chǎn)品的組織與性能。在熱軋鋼材中，當(dāng)鋼材離開(kāi)最后一架軋機(jī)。時(shí)一般為奧氏體組織，鋼在軌道上冷卻時(shí)，熱軋產(chǎn)品發(fā)生奧氏體連續(xù)轉(zhuǎn)變。此前一些已經(jīng)發(fā)表的文章研究了上述冷卻條件下鋼材的換。Sun等[5]已經(jīng)開(kāi)發(fā)出一種基于有限元方法的數(shù)學(xué)模型來(lái)描述運(yùn)。行軌道上帶鋼的耦合熱冶金行為。Zhou等[7]已使用有限元程序ABAQUS用于確定熱。軋帶鋼軋制過(guò)程中在控冷輥道上的溫度分布和殘余應(yīng)力。對(duì)流換熱是主要的傳熱方式。被認(rèn)為是一個(gè)隨溫度變化的因素，然而在溫度600℃可。忽略不計(jì)輻射效應(yīng)，對(duì)流換熱是表面邊界的主要熱傳輸機(jī)制。應(yīng)當(dāng)指出，在冷卻階段特別是早期的奧氏體開(kāi)始分解之
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