[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f5gPiwgP6SjiRz4KAtldqFaOZ2XyrECgErwvpBIKXesk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":22,"type":23},[],"2024-10-29 19:29:00",163647303,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},23,"437468c20617c18cf27e40c8996d3277","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcd6aa804f56468e1fa7bc4a2057046b9.png","材料合金化原理","exam_135245127","期中考试试卷","凡是扩大γ区的元素均使Fe-C相图中S、E点向 方移动,例如 等元素;凡封闭γ区的元素使S、E点向 方移动,例 等元素.S点左移意味着共析碳含量减少,E点左移意味着",[17,24,29,34,39,42,48,53,58,63],{"answer":18,"createTime":5,"id":19,"options":20,"question":21,"source":22,"type":23},[],163647295,[],"钢的强化机制主要有 、 、 、 . 其中 对钢性能的贡献是既提高强度又改善塑、韧性","v1",2,{"answer":25,"createTime":5,"id":26,"options":27,"question":28,"source":22,"type":23},[],163647297,[],"提高钢淬透性的作用是 、 、",{"answer":30,"createTime":5,"id":31,"options":32,"question":33,"source":22,"type":23},[],163647299,[],"在非调质钢中常用微合金化元素有 等(写出2个),这些元素的主要作用是 和",{"answer":35,"createTime":5,"id":36,"options":37,"question":38,"source":22,"type":23},[],163647301,[],"滚动轴承钢GCr15的Cr质量分数含量为 .滚动轴承钢中碳化物不均匀性主要是指 、 、",{"answer":40,"createTime":5,"id":6,"options":41,"question":15,"source":22,"type":23},[],[],{"answer":43,"createTime":5,"id":44,"options":45,"question":46,"source":22,"type":47},[],163647305,[],"相间沉淀",5,{"answer":49,"createTime":5,"id":50,"options":51,"question":52,"source":22,"type":47},[],163647307,[],"高温回火脆性",{"answer":54,"createTime":5,"id":55,"options":56,"question":57,"source":22,"type":47},[],163647309,[],"沉淀强化",{"answer":59,"createTime":5,"id":60,"options":61,"question":62,"source":22,"type":47},[],163647311,[],"H钢",{"answer":64,"createTime":5,"id":65,"options":66,"question":67,"source":22,"type":47},[],163647313,[],"调质钢"]