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    表2-4-2球狀夾雜氧化物尺寸,μm估計(jì)級別平均轉(zhuǎn)數(shù)Mr評級平均轉(zhuǎn)數(shù)Mr10～2021～3031～40～1.0～2.0～3.0269.260.229.20.5～1.01.5～2.02.5～3.0153.137.941～60～3.5～4.019.23.5～4.07.5...[繼續(xù)閱讀]

    圖2-4-32v=0,表示熱加工時(shí)夾雜物基本不變形,但影響疲勞性能大v=1,表示熱加工時(shí)夾雜物與鋼基體變形相等...[繼續(xù)閱讀]

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