[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fAANw6IHCDWCzNw5v6JcnEEBDj7ICwpM4cuud2QUQSnM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2025-12-11 09:03:10",244346181,[8,9,10,11],"淬火+退火","淬火+低温回火","淬火+高温回火","淬火+中温回火",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},53,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_48631579","第二章传统陶瓷与工艺","冷作模具钢的最终热处理通常采用( ),以保证获得高的硬度和耐磨性",[21,26,35,45,54,63,72,77,82,91],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],244346182,[30,31,32,33],"低温","中温","等温","高温","刃具、量具等需要高硬度的工件,要进行( )回火",{"answer":36,"createTime":37,"id":38,"options":39,"question":44,"source":24,"type":25},[],"2025-11-28 16:17:15",244346183,[40,41,42,43],"Ac3以上30~50℃","Ac1以上30~50℃","A1以上30~50℃","Accm以上30~50℃","共析钢和过共析钢的淬火加热温度为( )",{"answer":46,"createTime":5,"id":47,"options":48,"question":53,"source":24,"type":25},[],244346184,[49,50,51,52],"回火马氏体","马氏体","回火索氏体","回火托氏体","下列组织中综合力学性能最好的是",{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":24,"type":25},[],244346185,[58,59,60,61],"分级淬火","单介质淬火","等温淬火","双介质淬火","工件经过( )后得到的组织为下贝氏体",{"answer":64,"createTime":37,"id":65,"options":66,"question":71,"source":24,"type":25},[],244346186,[67,68,69,70],"含碳量","淬透性","硬度","淬硬性","钢件在某种介质中淬火能否得到全部马氏体取决于钢的( )",{"answer":73,"createTime":5,"id":74,"options":75,"question":76,"source":24,"type":25},[],244346187,[9,11,8,10],"调质热处理是指( )的热处理工艺,以获得良好的综合力学性能",{"answer":78,"createTime":37,"id":79,"options":80,"question":81,"source":24,"type":25},[],244346188,[41,42,40,43],"亚共析钢的淬火加热温度为( )",{"answer":83,"createTime":5,"id":84,"options":85,"question":90,"source":24,"type":25},[],244346189,[86,87,88,89],"钢的淬透性用淬透层的深度来表示","钢的淬透性用淬火所能达到的最高硬度来表示","钢的淬透性就是指钢在淬火时获得马氏体层深度的能力","钢的淬透性主要取决于过冷奥氏体的稳定性","下列关于钢的淬透性的说法不正确的是( )",{"answer":92,"createTime":37,"id":93,"options":94,"question":95,"source":24,"type":25},[],244346190,[51,52,49,50],"钢件经过淬火和中温回火后得到的组织是"]