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1、实践证明,金属材料的各种硬度值之间,硬度值与强度值之间具有近似的相应关系。因为硬度值是由起始塑性变形抗力和继续塑性变形抗力决定的,材料的强度越高,塑性变形抗力越高,硬度值也就越高。下表是根据实验得到的经验公式制作的快速计算器,有一定的实用价值,但在要求数据比较精确时,仍需要通过试验测得。抗拉强度N/mm2 维氏硬度布氏硬度洛氏硬度抗拉强度N/mm2维氏硬度布氏硬度洛氏硬度RmHVHBHRBRmHVHB HRB2508076112535033335.52708580.7111536034236.62859085.2119037035237.73059590.2122038036138.83201
2、0095125539037139.833510599.8129040038040.8350110105132041039041.8370115109135042039942.7380120114138543040943.6名师资料总结-精品资料欢迎下载-名师精心整理-第 1 页,共 4 页 -400125119142044041844.5415130124145545042845.3430135128148546043746.1450140133152047044746.9465145138155548045647480150143159549046648.449015514716305004
3、7549.1510160152166551048549.8530165156170052049450.5545170162174053050451.1560175166177554051351.7575180171181055052352.3595185176184556053253610190181188057054253.6625195185192058055154.1名师资料总结-精品资料欢迎下载-名师精心整理-第 2 页,共 4 页 -640200190195559056154.7660205195199560057055.2675210199203061058055.76902152
4、04207062058956.3705220209210563059956.8720225214214564060857.3740230219218065061857.875523522366058.377024022820.367058.878524523321.368059.280025023822.269059.782025524223.170060.1835260247247206185026525224.874061.886527025725.676062.5名师资料总结-精品资料欢迎下载-名师精心整理-第 3 页,共 4 页 -88027526126.478063.390028026627.18006491528527127.882064.793029027628.584065.395029528029.286065.996530028529.888066.49953102953190067103032030432.292067.5106033031433.394068109534032334.4*洛氏HRBDC01=65名师资料总结-精品资料欢迎下载-名师精心整理-第 4 页,共 4 页 -