冷轧板的厚度和硬度.doc

表1 冷轧板的厚度测量（mm）基板冷轧板平均变形量3.01.281.251.281.301.261.301.27557.5%1.271.251.261.311.261.282.51.361.341.321.321.341.361.33546.6%1.321.341.301.311.321.392.01.201.161.181.201.181.181.18340.85%1.191.171.201.161.181.20表2 半小时等温法不同温度淬水后的硬度（2.0mm）温度压痕硬度12345平均1/2冷硬167165165165166165.682.8270400160159160162161160.480.2288450159160161160161160.280.1289500165163161165163163.481.7278540165164163162163163.481.7278580160161163162161161.480.7285620159163160160162161.280.6286640164163163163162163.081.5279660164168167166164165.882.9270680171166175165169169.284.625970018218517918818118391.5222720194198197196196196.298.1193740201202197200203200.6100.3184760208207206208210207.8103.9172780215212213212214213.2106.6163800218220219219221219.4109.7154820224221220223224222.4111.2147840228237235232235233.4116.7136860221223220223220223.3111.7149880218219216215216216.8108.4158表3 半小时等温法不同温度淬水后的硬度（2.5mm）温度压痕硬度12345平均1/2冷硬16316516416516316482276400165165163166165164.882.4273450166165165166164165.282.6272500166164167165166165.682.827054016616716416716616683269580167168169167166167.483.7265620165168166166167166.483.2268640168167168166167167.283.6265660170169171168170169.684.8258680175175178177181177.288.6236700189192190192188190.295.1205720202206205204207204.8102.4177740200206206205205204.4102.2178760209210212211213211105.5167780219220218222223220.4110.2153800226224222225228225112.5147820228231229229228229114.5142840231226229229228228.6114.3142860218218215214219216.8108.4158880210211209212210210.4105.2168表4 半小时等温法不同温度淬水后的硬度（3.0mm）温度压痕硬度12345平均1/2冷硬15215615615515615577.5309400150152150147153150.475.2328450154154156158155155.477.7307500160157155156155156.678.3303540157158160161161159.479.7292580159157157159159158.279.129662016015816015815915979.5293640160161159158160159.679.8291660168170167170171169.284.625968016917316817116917085257700180183178182179180.490.2228720195192191193193192.896.4200740197199198196198197.698.8190760200200202204202201.6100.8183780211211214212213212.2106.1 165800216215216215216215.6107.8160820216219217219220218.2109.1156840232235233230230232116138860215219221216214217108.5158880210212209204208208.6104.3171表5 半小时等温法不同温度空冷后的硬度（3.0mm）温度压痕（m）硬度(HV)12345平均1/2冷硬15215615615515615577.5309500157155154153158155.477.7307520160161159157159159.279.6293540159158159160161159.479.7292560158158160161159159.279.6293580163161162162161161.880.9283600161160161162160160.880.4287620162160161160161160.880.4287640162163162163162162.481.2281660171171170168166169.284.6259680185170178179176177.688.8235700188190188187183187.293.6212720196196201202199198.899.4188740205206206208203205.6102.8176760207205207209206206.8103.4174780213211209213211211.4105.7166800216217216215218216.4108.2158820217219220221218219109.5155840225228226224225225.6112.8146860225221226227227225.2112.6146880224222223226224111.9148表6 半小时等温法不同温度等温后硬度对比温度硬度淬水空冷热轧厚度2mm2.5mm3.0mm3.0mm冷硬厚度1.1831.3351.2751.275变形量40.85%46.6%57.5%57.5%冷硬27027630930940028827332845028927230750027827030330752029354027826929229256029358028526529628360028762028626829328764027926529128166027025825925968025923625723570022220522821272019317720018874018417819017676017216718317478016315316516680015414716015882