圖2-4-66...[繼續(xù)閱讀]

    圖2-4-67...[繼續(xù)閱讀]

    圖2-4-68圖2-4-69圖2-4-70圖2-4-71圖2-4-72圖2-4-73圖2-4-74圖2-4-75圖2-4-76圖2-4-77圖2-4-78圖2-4-79圖2-4-80圖2-4-81圖2-4-82圖2-4-83表2-4-6鋼號成分,%條件圖號CSiMnPSAlCrNiVMoTTATTA-GS150.130.320.480.010.0240.006　　　　連續(xù)加熱圖2-4-68圖2-4-84300.310.0290.520.0230.0230.0...[繼續(xù)閱讀]

    表2-4-6鋼號成分,%條件圖號CSiMnPSAlCrNiVMoTTATTA-GS150.130.320.480.010.0240.006　　　　連續(xù)加熱圖2-4-68圖2-4-84300.310.0290.520.0230.0230.0050.130.060.01　連續(xù)加熱圖2-4-69圖2-4-85450.490.260.740.0050.0180.0140.16　0.01　連續(xù)加熱圖2-4-70圖2-4-86500.510.740.530.0160.029...[繼續(xù)閱讀]

    1)t>Ac3時,鋼組織為奧氏體(A),在此溫度條件熱送時不產(chǎn)生組織應變裂紋。2)t=Ac1～Ac3時,鋼析出鐵素體(F)。3)t<Ac1時,在空冷、圓棒直徑d為15mm、棒中心冷卻到580℃的條件下(見圖中x點),鋼組織有50%鐵素體和50%珠光體;若d>15mm,將得到組...[繼續(xù)閱讀]

    表2-4-7鋼號圖號鋼號圖號鋼號圖號鋼號圖號4005F08F1015Y152025303540455055圖2-4-100圖2-4-101圖2-4-102圖2-4-103圖2-4-104圖2-4-105圖2-4-106圖2-4-107圖2-4-108圖2-4-109圖2-4-110圖2-4-111圖2-4-112圖2-4-11360707579T10T1212CrMo1Cr5Mo15Ni15Mn20CrMn20CrMo20CrNiMo20Mn圖2-4-114圖2-4...[繼續(xù)閱讀]

    A硬度與強度之間的經(jīng)驗公式(表2-4-8)B疲勞強度與靜強度之間的經(jīng)驗公式(表2-4-9)C許可剪應力與抗拉強度之間的關系[17](表2-4-10)D硬度之間的換算公式當HB=200～600范圍內(nèi)時:HRC≈1/10HBHB<450時:HB≈HV,HS=1/6HB表2-4-8合金種類經(jīng)驗公式備注未淬...[繼續(xù)閱讀]

    表2-4-11硬度抗拉強度,MPa洛氏表面洛氏維氏布氏碳鋼鉻鋼鉻釩鋼鉻鎳鋼鉻鉬鋼鉻鎳鉬鋼鉻錳硅鋼超高強度鋼不銹鋼不分鋼種HRCHRAHR15NHR30NHR45NHVHB30D2d102d54d2.5mm70.069.569.068.568.067.567.066.566.065.586.686.386.185.885.585.285.084.784.484.1　　　1037101799...[繼續(xù)閱讀]

    表2-4-12硬度抗拉強度MPa洛氏表面洛氏維氏布氏HRBHR15THR30THR45THVHB10D2d102d54d2.5mm100.099.599.098.598.097.597.096.596.095.595.094.594.093.593.092.592.091.591.090.590.089.589.088.588.087.587.086.586.085.585.084.584.091.591.391.291.190.990.890.690.590.490.290.189.989.889.78...[繼續(xù)閱讀]

    表2-4-13HRCHBσbMPaσsMPaδ,%ψ,%αK(20℃)AK,J141618202224262830323436384042197207217223235248262277293311321341363379401637.4～706.0672.7～740.4706.0～784.5725.6～804.1766.8～853.1809.0～902.2848.2～946.3902.2～1000.2946.3～1059.01000.2～1122.81034.5～1166.91098.3～1235.61...[繼續(xù)閱讀]