{"id":186444,"date":"2019-09-30T06:30:58","date_gmt":"2019-09-29T22:30:58","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=186444"},"modified":"2019-09-29T19:45:22","modified_gmt":"2019-09-29T11:45:22","slug":"%e3%80%90%e9%a6%96%e6%8e%a8%e3%80%91%e5%8f%91%e8%a1%a8%e5%9c%a8naturescience%e7%ad%89%e9%a1%b6%e5%88%8a%e7%9a%84%e9%87%91%e5%b1%9e%e6%9d%90%e6%96%99%e7%9a%84%e5%bc%ba%e9%9f%a7%e5%8c%96%e6%9c%ba","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=186444","title":{"rendered":"\u53d1\u8868\u5728nature&science\u7b49\u9876\u520a\u7684\u91d1\u5c5e\u6750\u6599\u7684\u5f3a\u97e7\u5316\u673a\u5236"},"content":{"rendered":"

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1.1 B2\u76f8\u7c92\u5b50\u5f3a\u5316<\/strong><\/p>\n

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Fig 1 \u9a6c\u6c0f\u4f53\u65f6\u6548\u94a2\u7684\u65f6\u6548\u884c\u4e3a\u53ca\u65f6\u6548\u524d\u540e\u7684\u62c9\u4f38\u66f2\u7ebf (\u63d2\u56fe\u4e3a\u4f20\u7edf\u9a6c\u6c0f\u4f53\u65f6\u6548\u94a2\u65f6\u6548\u9020\u6210\u5f3a \u5ea6\u53ca\u5851\u6027\u7684\u53d8\u5316)[1]<\/sup><\/p>\n

\"\"<\/p>\n

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Figure 2 \u4e0e\u9009\u7528\u7684\u9ad8\u6bd4\u5f3a\u5ea6\u91d1\u5c5e\u5408\u91d1\u8fdb\u884c\u4e86\u5ba4\u6e29\u62c9\u4f38\u6027\u80fd\u7684\u6bd4\u8f83[2]<\/sup><\/p>\n

\"\"<\/p>\n

1.2\u65f6\u6548\u6790\u51fa\u5f3a\u5316<\/strong><\/p>\n

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Figure 3\u5ba4\u6e29\u4e0b\u5408\u91d1\u7ecf\u8fc7\u6c89\u6dc0\u5f3a\u5316\u6750\u6599\u7684\u62c9\u4f38\u6027\u80fd[3]<\/sup><\/p>\n

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\u9999\u6e2f\u57ce\u5e02\u5927\u5b66W.H. Liu\u7b49\u4eba\u53d1\u73b0\u5728CoCrFeNiMox<\/sub>\u9ad8\u71b5\u5408\u91d1\u4e2d\u6c89\u6dc0\u786c\u8d28s\u548c\u03bc\uff08\u7531\u4e8eMo\u5143\u7d20\u7684\u6dfb\u52a0\u800c\u5f62\u6210\uff09\u7c92\u5b50\u7684\u65f6\u5019\uff0c\u8fd8\u5408\u91d1\u5f97\u5230\u4e861.2 GPa\u548c19%\u7684\u5f3a\u5ea6\u548c\u5851\u6027\u3002<\/p>\n

Figure 4\u94f8\u9020\u7684Mox<\/sub>(x=0\u30010.2\u548c0.3)\u5408\u91d1\u548c\u5728\u4e0d\u540c\u70ed\u5904\u7406\u6761\u4ef6\u4e0b60%\u7684\u8f67\u5236Mo0.3\u5408\u91d1\u7684\u5ba4\u6e29\u62c9\u4f38\u5de5\u7a0bstrain\u2014stress\u66f2\u7ebf[4]<\/sup><\/p>\n

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2.\u7ec6\u6676\u5f3a\u5316<\/h3>\n

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2.1\u7eb3\u7c73\u5b6a\u6676\u5f3a\u5316<\/strong><\/p>\n

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Figure 5 \u900f\u5c04\u6761\u4ef6\u4e0b\u7eb3\u7c73\u5b6a\u6676\u7684\u5f62\u8c8c\u4ee5\u53ca\u7535\u5b50\u884d\u5c04\u6591[5]<\/sup><\/p>\n

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Figure 6 \u6709\u5e8f\u6c27\u590d\u5408\u4f53\u5f3a\u5316\u793a\u610f\u56fe[6]<\/sup><\/p>\n

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Figure 7 \u00a0\u5faa\u73af\u5f3a\u5316\u524d\u540eAA2024\u94dd\u5408\u91d1\u4e2d\u7684\u6eb6\u8d28\u56e2\u53ca\u5176\u5bf9\u5e94\u7684\u5e94\u529b-\u5e94\u53d8\u66f2\u7ebf[7]<\/sup><\/p>\n

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Figure 8 \u7eb3\u7c73\u954d\u94bc\u5408\u91d1\u7684\u8f6f\u5316\u548c\u786c\u5316[8]<\/sup><\/p>\n

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Figure 9 \u62c9\u4f38\u53d8\u5f62\u524dD&P\u94a2\u7684\u5fae\u89c2\u7ec4\u7ec7\u3001\u5e94\u529b\u5e94\u53d8\u66f2\u7ebf\u3001\u4e0e\u5176\u4ed6\u73b0\u6709\u7684\u9ad8\u5f3a\u5ea6\u91d1\u5c5e\u6750\u6599\u76f8\u6bd4\uff0cD&P\u94a2\u5177\u6709\u66f4\u597d\u7684\u6297\u62c9\u6027\u80fd[9]<\/sup><\/p>\n

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\u53c2\u8003\u6587\u732e\uff1a<\/b><\/strong><\/h3>\n

[1]\u00a0Ultrastrong steel via minimal lattice misfit and high-density nanoprecipitation. Suihe Jiang, Hui Wang, Yuan Wu1 et al .Nature\uff0c2017\uff0cDOI\uff1a10.1038\/nature22032<\/p>\n

[2] Brittle intermetallic compound makes ultrastrong low-density steel with large ductility[J]. S H Kim, H Kim, N J Kim. Nature, 2015, 518(7537):790-784<\/p>\n

[3]\u00a0J.Y. He , H. Wang, H.L. Huang et al. A precipitation-hardened high-entropy alloy with outstanding tensile properties\uff0cActa Materialia 102 (2016) 187-196<\/p>\n

[4]\u00a0W.H. Liu , Z.P. Lu , J.Y. He et al. Ductile CoCrFeNiMox high entropy alloys strengthened by hard intermetallic phases\uff0cActa Materialia 116 (2016) 332-342<\/p>\n

[5]\u00a0Revealing the Maximum Strength in Nanotwinned Copper\uff0cL. Lu, \u00a0X. Chen, \u00a0X. Huang, K. Lu. Science\u3002<\/p>\n

[6] Enhanced strength and ductility in a high-entropy alloy via ordered oxygen complexes\uff0cZhifeng Lei, Xiongjun Liu, Tai-Gang Nieh\u00a0& Zhaoping Lu et al, Vol 464|8 April 2010| doi:10.1038\/nature08929, nature.<\/p>\n

[7]\u00a0Precipitation strengthening of aluminum alloys by room-temperature cyclic plasticity\uff0cWenwen Sun, Yuman Zhu, Ross Marceau et al. Science\uff0c2019<\/p>\n

[8] Grain boundary stability governs hardening and softening in extremely fine nanograined metals. J.Hu, Y.N.Shi, X. Sauvage, G. Sha, K. Lu. Science\uff0c2017\uff0cDOI:10.1126\/science.aal5166<\/p>\n

[9]\u00a0High dislocation density\u2013induced large ductility in deformed and partitioned steels\uff0c B. B. He, B. Hu,H. W. Yen et al.<\/p>\n

\u672c\u6587\u7531\u865a\u8c37\u7eb3\u7269<\/strong>\u4f9b\u7a3f\u3002<\/p>\n

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