APP 圖2-4-66...[繼續(xù)閱讀]
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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(hào)成分,%條件圖號(hào)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(hào)成分,%條件圖號(hào)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(shí),鋼組織為奧氏體(A),在此溫度條件熱送時(shí)不產(chǎn)生組織應(yīng)變裂紋。2)t=Ac1～Ac3時(shí),鋼析出鐵素體(F)。3)t<Ac1時(shí),在空冷、圓棒直徑d為15mm、棒中心冷卻到580℃的條件下(見(jiàn)圖中x點(diǎn)),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(hào)圖號(hào)鋼號(hào)圖號(hào)鋼號(hào)圖號(hào)鋼號(hào)圖號(hào)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(qiáng)度之間的經(jīng)驗(yàn)公式(表2-4-8)B疲勞強(qiáng)度與靜強(qiáng)度之間的經(jīng)驗(yàn)公式(表2-4-9)C許可剪應(yīng)力與抗拉強(qiáng)度之間的關(guān)系[17](表2-4-10)D硬度之間的換算公式當(dāng)HB=200～600范圍內(nèi)時(shí):HRC≈1/10HBHB<450時(shí):HB≈HV,HS=1/6HB表2-4-8合金種類(lèi)經(jīng)驗(yàn)公式備注未淬...[繼續(xù)閱讀]
表2-4-11硬度抗拉強(qiáng)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(qiáng)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(qiáng)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]