{"id":237593,"date":"2022-05-26T06:17:06","date_gmt":"2022-05-25T22:17:06","guid":{"rendered":"\/\/m.iemloyee.com\/?p=237593"},"modified":"2022-05-28T22:23:39","modified_gmt":"2022-05-28T14:23:39","slug":"nature-materials%ef%bc%9a%e7%ba%b3%e7%b1%b3%e5%ad%aa%e6%99%b6%e7%9a%84%e5%8f%88%e4%b8%80%e9%a2%a0%e8%a6%86%e6%80%a7%e9%87%8d%e5%a4%a7%e6%88%90%e6%9e%9c%ef%bc%81","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=237593","title":{"rendered":"Nature Materials\uff1a\u7eb3\u7c73\u5b6a\u6676\u7684\u53c8\u4e00\u98a0\u8986\u6027\u91cd\u5927\u6210\u679c\uff01"},"content":{"rendered":"
    \n
  1. \u5bfc\u8bfb<\/strong><\/li>\n<\/ol>\n

    \u91d1\u5c5e\u6750\u6599\u5fae\u89c2\u7ed3\u6784\u7684\u6f14\u53d8\u4e3b\u8981\u4f9d\u8d56\u4e8e\u6e29\u5ea6\uff0c\u5e94\u53d8\u901f\u7387\u548c\u5e94\u53d8\u91cf\u3002\u5728\u5e94\u53d8\u8db3\u591f\u5927\u7684\u60c5\u51b5\u4e0b\uff0c\u4f4d\u9519\u6ed1\u79fb\u548c\u79ef\u7d2f\u53ef\u4ee5\u5f15\u8d77\u5fae\u89c2\u7ed3\u6784\u7684\u53d8\u5316\uff0c\u5176\u4e2d\u6700\u4e3a\u8457\u540d\u7684\u4fbf\u662f\u52a8\u6001\u518d\u7ed3\u6676\u3002\u52a8\u6001\u518d\u7ed3\u6676(DRX)\u662f\u4f4d\u9519\u4ecb\u5bfc\u7684\u4e00\u4e2a\u8fc7\u7a0b\uff0c\u968f\u7740\u4f4d\u9519\u548cZener\u2013Holloman\u53c2\u6570\u7684\u53d8\u5316\u800c\u53d8\u5316\u3002\u4ee5Cu\u4e3a\u4f8b\uff0c\u518d\u7ed3\u6676\u53d1\u751f\u6240\u9700\u8981\u7684\u5e94\u53d8\u91cf\u901a\u5e38\u5927\u4e8e1.5\uff0c\u800cZener\u2013Holloman\u53c2\u6570\u5219\u5c0f\u4e8e1015<\/sup>s-1<\/sup>\u3002\u53d8\u5f62\u5b6a\u6676\u5728fcc\u91d1\u5c5e\u4e2d\u975e\u5e38\u5e38\u89c1\uff0c\u5728\u518d\u7ed3\u6676\u8fc7\u7a0b\u4e2d\u626e\u6f14\u7740\u5ba2\u4e32\u89d2\u8272\uff0c\u901a\u5e38\u5bfc\u81f4\u6676\u754c\u53d1\u751f\u9f13\u80c0\u6216\u8005\u51fa\u73b0\u53d8\u5f62\u3002\u4f46\u662f\uff0c\u5728\u9ad8\u5e94\u53d8\u901f\u7387\u548c\u5927\u5e94\u53d8\u60c5\u51b5\u4e0b\uff0c\u53d8\u5f62\u5b6a\u6676\u662f\u5426\u53ef\u4ee5\u8bf1\u5bfc\u52a8\u6001\u518d\u7ed3\u6676\uff0c\u4f9d\u7136\u662f\u672a\u89e3\u4e4b\u8c1c\u3002\u76f8\u5173\u7814\u7a76\u7f3a\u4e4f\u7684\u5176\u4e2d\u4e00\u4e2a\u4e3b\u8981\u539f\u56e0\u73b0\u6709\u6750\u6599\u5f88\u96be\u627f\u53d7\u9ad8\u5e94\u53d8\u901f\u7387\u4e0b\u7684\u5927\u5851\u6027\u53d8\u5f62\u3002\u672c\u6587\u4f7f\u7528\u8bf1\u5bfc\u7c92\u5b50\u51b2\u51fb\u6d4b\u8bd5\u4eea\u7814\u7a76\u4e86\u8fd9\u79cd\u6781\u7aef\u6761\u4ef6\u4e0b\u7684\u53d8\u5f62\u5b6a\u6676\u8bf1\u5bfc\u7684\u518d\u7ed3\u6676\u3002<\/p>\n

      \n
    1. \u6210\u679c\u63a0\u5f71<\/strong><\/li>\n<\/ol>\n

      \u8fd1\u65e5\uff0c\u9ebb\u7701\u7406\u5de5\u5b66\u9662Ahmed A. Tiamiyu\u7b49\u4eba\u5229\u7528\u6fc0\u5149\u8bf1\u5bfc\u7c92\u5b50\u51b2\u51fb\u8bd5\u9a8c\u673a\uff0c\u4f7f\u7528\u5355\u4e2a\u94dc\u5fae\u7c92\u51b2\u51fb\u4e8b\u4ef6\u6765\u83b7\u5f97\u5e94\u53d8\u548c\u5e94\u53d8\u901f\u7387\u7684\u6781\u7aef\u6761\u4ef6\u3002\u5229\u7528\u7535\u5b50\u80cc\u6563\u5c04\u884d\u5c04\u548c\u626b\u63cf\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u76f8\u7ed3\u5408\u7684\u65b9\u6cd5\u5bf9\u649e\u51fb\u70b9\u8fdb\u884c\u6d4b\u8bd5\u5b9e\u9a8c\u540e\u8868\u5f81\u3002\u672c\u5de5\u4f5c\u7cfb\u7edf\u5730\u63a2\u7d22\u4e86\u5e94\u53d8\u6c34\u5e73\u7684\u589e\u52a0\uff0c\u5e76\u89c2\u5bdf\u5230\u7eb3\u7c73\u5b6a\u6676\u4fc3\u8fdb\u7684\u518d\u7ed3\u6676\u8fc7\u7a0b\u3002\u79f0\u4e4b\u4e3a\u7eb3\u7c73\u5b6a\u6676\u8f85\u52a9\u52a8\u6001\u518d\u7ed3\u6676\u3002\u5b83\u6bd4\u5df2\u5efa\u7acb\u7684\u518d\u7ed3\u6676\u6a21\u5f0f\u83b7\u5f97\u66f4\u7ec6\u7684\u6676\u7c92\u5c3a\u5bf8\uff0c\u8fd9\u4e3a\u901a\u8fc7\u6781\u7aef\u5e94\u53d8\u8fc7\u7a0b\u83b7\u5f97\u6700\u7ec6\u7684\u7eb3\u7c73\u6676\u7c92\u5c3a\u5bf8\u63d0\u4f9b\u4e86\u9014\u5f84\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201cNanotwinning-assisted dynamic recrystallization at high strains and strain rates\u201d\u4e3a\u9898\u53d1\u8868\u5728\u6750\u6599\u5b66\u9876\u7ea7\u671f\u520a\u300aNature Materials\u300b\u4e0a.<\/p>\n

      \"\"<\/p>\n

      \u8bba\u6587\u94fe\u63a5\uff1ahttps:\/\/www.nature.com\/articles\/s41563-022-01250-0<\/a><\/p>\n

      3.\u00a0<\/u>\u6838\u5fc3\u521b\u65b0\u70b9<\/strong><\/p>\n

      (1) \u7eb3\u7c73\u5b6a\u6676\u662f\u53d8\u5f62\u673a\u5236\u7531\u6ed1\u79fb\u8f6c\u53d8\u4e3a\u5b6a\u6676\u7684\u8fc7\u6e21;<\/p>\n

      (2)\u5b6a\u6676\u53d8\u5f62\u52a0\u5267\u5851\u6027\uff0c\u5e76\u5145\u6ee1\u4e86\u4f4d\u9519;<\/p>\n

      (3)\u4f4d\u9519\u91cd\u65b0\u6392\u5217\u5f62\u6210\u4f4d\u9519\u58c1\uff0c\u5728\u5782\u76f4\u65b9\u5411\u4e0a\u5c06\u900f\u955c\u5b6a\u6676\u754c\u5212\u5206\u4e3a\u7eb3\u7c73\u5c3a\u5bf8\u7684\u7ec6\u957f\u5757\u4f53\uff0c\u5728\u6c34\u5e73\u65b9\u5411\u4e0a\u5212\u5206\u4e3a\u5c0f\u89d2\u5ea6\u6676\u754c;<\/p>\n

      (4)\u6240\u8ff0\u5757\u4f53\u7684\u5b6a\u6676\u754c\u5411\u5916\u51f8\u51fa\u5f62\u6210\u88ab\u5927\u89d2\u6676\u754c\u6a2a\u5411\u5206\u9694\u6210\u7b49\u8f74\u7eb3\u7c73\u9897\u7c92.<\/p>\n

        \n
      1. \u6570\u636e\u6982\u89c8<\/strong><\/li>\n<\/ol>\n

        \"\"<\/p>\n

        \u56fe1 DRX\u8fc7\u7a0b\u4e2d\u7ec4\u7ec7\u6f14\u53d8\u7684\u53d8\u5f62\u56fe\u548c\u793a\u610f\u56fe.a,b\u00a0 DDRX\u8fc7\u7a0b\u4e2d\u968f\u7740\u5e94\u53d8\u589e\u52a0\uff0c\u5fae\u89c2\u7ed3\u6784\u7684\u6f14\u53d8\u793a\u610f\u56fe\uff0c\u6676\u6838\u548c\u968f\u540e\u7684\u751f\u957f\u662f\u5728\u4f18\u5148\u4f4d\u7f6e(\u5982\u6676\u754c\u9644\u8fd1)\u5bc6\u96c6\u4f4d\u9519\u7684\u635f\u5931\u4e0b\u53d1\u751f\u7684\uff0c\u5728cDRX\u8fc7\u7a0b\u4e2d\uff0c\u968f\u673a\u5206\u5e03\u7684\u4f4d\u9519\u5f15\u8d77\u62c9\u957f\u7684\u4f4d\u9519\u80de\uff0c\u7136\u540e\u8fd9\u4e9b\u4f4d\u9519\u7ec6\u80de\u5206\u88c2\u5e76\u65cb\u8f6c\u5f62\u6210\u76f8\u5f53\u7b49\u8f74\u7684\u6676\u6838(b). (c) \u663e\u793a\u4e86\u94dc\u7684\u9884\u671f\u53d8\u5f62\u673a\u5236\u4f5c\u4e3a\u771f\u5e94\u53d8\u548cZener-Hollomon\u53c2\u6570Z\u7684\u51fd\u6570;\u6676\u7c92\u5c3a\u5bf8\u4e3a20 \u03bc m\u65f6\uff0c\u5c06\u5fae\u89c2\u7ed3\u6784\u573a\u7684\u8fb9\u754c\u6807\u4e3ai-vi. (d) \u56fe\u4e2d\u663e\u793a\u4e86ntDRX\u7684\u6f14\u53d8\u987a\u5e8f\uff0c\u8fd9\u91cc\u63d0\u51fa\u7684\u673a\u5236\u662f\u5b6a\u6676\u6210\u6838\u3001\u751f\u957f\uff0c\u7136\u540e\u5206\u88c2\u6210\u7b49\u8f74\u7eb3\u7c73\u5c3a\u5bf8\u7684\u6676\u7c92\u3002\u9ed1\u8272\u3001\u7ea2\u8272\u548c\u84dd\u8272(\u5206\u522b\u4e3aa\u3001b\u3001d)\u5206\u522b\u4ee3\u8868\u6676\u754c\u3001\u4f4d\u9519\u548c\u5b6a\u6676\u754c\u3002<\/p>\n

        \"\"<\/p>\n

        \u56fe2 \u5f39\u56de\u7c92\u5b50\u649e\u51fb\u70b9\u7684\u7279\u5f81. (a) \u626b\u63cf\u56fe\u50cf\uff1b\uff08b\uff09IPF\u56fe\uff1b\uff08c\uff09KAM\u56fe\uff0c\u5176\u4e2d\u7684\u63d2\u56fe\u4e3aBC\u56fe\uff1b(d) STEM\u660e\u573a\u663e\u5fae\u7167\u7247\u663e\u793a\u5357\u6781\u4f4d\u7f6e\u4f4d\u9519\u5bc6\u5ea6\u9ad8\uff0c\u63d2\u56fe\u663e\u793a\u4e86\u9ad8\u500d\u653e\u5927\u540e\u7684\u4f4d\u9519\u7ed3\u6784\uff1b(e) \u51b2\u51fb\u8bf1\u5bfc\u53d8\u5f62\u5b6a\u6676\u6cbf\u7740\u8fdc\u79bb\u5357\u6781\u7684\u65b9\u5411\u62c9\u957f\uff0c\u63d2\u56fe\u663e\u793a\u4e86\u884d\u5c04\u56fe\u6848(\u5de6)\u4e0e\u5b6a\u751f\u7ed3\u6784\uff0c\u4ee5\u53ca\u884d\u5c04\u76d8\u5f3a\u5ea6\u7684\u96c6\u6210\u7684\u865a\u62df\u6697\u573a\u50cf(\u53f3)\u5f62\u6210\uff0c\u4ee5\u7a81\u51fa\u5b6a\u751f\u7ed3\u6784\uff1b(b)\u9ed1\u7ebf\u8868\u793a\u5927\u4e8e15\u00b0\u7684\u5927\u89d2\u6676\u754c\uff1bc\u4e2d\u63d2\u56fe\u4e2d\u7684\u9752\u8272\u7bad\u5934\u8868\u793a\u5b6a\u751f\u8fb9\u754c\uff1b<\/p>\n

        \"\"<\/p>\n

        \u56fe3 \u5bf9\u8f7b\u5fae\u53d8\u5f62\u9ecf\u9644\u9897\u7c92\u7684\u649e\u51fb\u70b9\u7684\u8868\u5f81\uff1b(a) \u626b\u63cf\u56fe\u50cf\uff1b\uff08b\uff09IPF\u56fe\uff1b\uff08c\uff09KAM\u56fe; (d) BC\u56fe\uff1b\u5176\u4e2d\u63d2\u56fe\u4e3a\u653e\u5927\u56fe\u50cf\uff0c\u7a81\u51fa\u663e\u793a\u5b6a\u6676\u754c\uff1be – g, STEM\u660e\u573a\u50cf\u663e\u793a\u4e86\u5728\u9897\u7c92\u9876\u90e8\u4f4d\u9519\u6ed1\u79fb\u7684\u53d8\u5f62\uff0c\u5728\u9897\u7c92\u9ad8\u4f4d\u9519\u5bc6\u5ea6\u533a\u57df\u548c\u57fa\u4f53\u9644\u8fd1\u7684\u5b6a\u6676\uff1b b-d\uff0c\u9ed1\u7ebf\u8868\u793a\u5927\u4e8e15\u00b0\u7684\u5927\u89d2\u6676\u754c\uff1b f\uff0c\u7ea2\u8272\u865a\u7ebf\u65b9\u6846\u4e3a\u9897\u7c92-\u57fa\u4f53\u754c\u9762\u3002e,f\uff0c\u7bad\u5934\u8868\u793a\u7eb3\u7c73\u5b6a\u6676\u7ed3\u6784\u3002g\uff0c\u884d\u5c04\u76d8\u5f3a\u5ea6\u7684\u96c6\u6210\u7684\u865a\u62df\u6697\u573a\u50cf(\u53f3)\u5f62\u6210\uff0c\u4ee5\u7a81\u51fa\u5b6a\u751f\u7ed3\u6784\u3002<\/p>\n

        \"\"<\/p>\n

        \u56fe4 \u5728647 m\/ s\u51b2\u51fb\u4e0b\u5f3a\u53d8\u5f62\u9ecf\u9644\u9897\u7c92\u7684\u8868\u5f81\u3002(a) \u626b\u63cf\u56fe\u50cf\uff1b\uff08b\uff09IPF\u56fe\uff1b\uff08c\uff09KAM\u56fe; (d) BC\u56fe\u7a81\u51fa\u663e\u793a\u5b6a\u6676\u754c\uff1b\u5176\u4e2d\u63d2\u56fe\u4e3a\u653e\u5927\u56fe\u50cf\uff1b(e)\u00a0 STEM\u660e\u573a\u50cf\u663e\u793a\u4e86\u9897\u7c92\u9876\u90e8\u4f4d\u9519\u6ed1\u79fb\u7684\u53d8\u5f62\uff0c\u63d2\u56fe\u8868\u793a\u5148\u524d\u9000\u706b\u5b6a\u6676\u7684\u4f4d\u9519\u6f14\u53d8\u4e3a\u7eb3\u7c73\u9897\u7c92\uff1b(f) \u9897\u7c92\u6781\u56fe\u754c\u9762\u9644\u8fd1\u5b6a\u6676\u548c\u751f\u6210\u7684\u7eb3\u7c73\u9897\u7c92\uff1b\uff08g\uff09\u901a\u8fc7\u6574\u5408\u884d\u5c04\u76d8\u5f3a\u5ea6\u6765\u7a81\u51fa\u5b6a\u6676\u7ed3\u6784\u5f62\u6210\u7684\u865a\u62df\u6697\u573a\u56fe\u50cf(\u5de6)\u548c\u663e\u793a\u5b6a\u6676\u7ed3\u6784\u7684\u884d\u5c04\u56fe(\u53f3)\uff1bb-d\uff0c\u9ed1\u7ebf\u8868\u793a\u5927\u4e8e15\u00b0\u7684\u5927\u89d2\u6676\u754c\uff1b<\/p>\n

        \"\"<\/p>\n

        \u56fe5 \u5728768 m\/ s\u51b2\u51fb\u4e0b\u5f3a\u53d8\u5f62\u9ecf\u9644\u9897\u7c92\u7684\u8868\u5f81. \u00a0a,b\uff0c\u6574\u4e2a\u649e\u51fb\u70b9(a)\u548c\u754c\u9762\u9644\u8fd1(b)\u7684STEM\u660e\u573a\u663e\u5fae\u56fe\uff0c\u663e\u793a\u9897\u7c92\u548c\u57fa\u4f53\u4e24\u4fa7\u7684DRX\uff1b\u7ea2\u8272\u3001\u7eff\u8272\u548c\u84dd\u8272\u7bad\u5934\u5206\u522b\u8868\u793a\u5145\u6ee1\u4f4d\u9519\u7684\u7eb3\u7c73\u5b6a\u6676\uff0c\u5c06\u900f\u955c\u72b6\u7684\u5b6a\u6676\u5206\u6210\u7eb3\u7c73\u5927\u5c0f\u7684\u7ec6\u957f\u5757\u548c\u516d\u8fb9\u5f62\u7eb3\u7c73\u9897\u7c92\u3002<\/p>\n

        5.<\/strong>\u6210\u679c\u542f\u793a<\/strong><\/p>\n

        \u5728\u6700\u9ad8\u7684\u51b2\u51fb\u901f\u5ea6\u4e0b\uff0c\u672c\u6587\u63d0\u51fa\u4e86\u4e00\u79cd\u518d\u7ed3\u6676\u673a\u5236\u7684\u8bc1\u636e\uff0c\u79f0\u4e4b\u4e3a\u7eb3\u7c73\u5b6a\u6676\u8f85\u52a9\u7684\u52a8\u6001\u518d\u7ed3\u6676\u3002\u672c\u5de5\u4f5c\u5df2\u7ecf\u5c06\u8fd9\u79cd\u53d8\u5f62\u6a21\u5f0f\u4e0e\u5148\u524d\u62a5\u9053\u7684\u6a21\u5f0f\u76f8\u534f\u8c03\uff0c\u5e76\u8868\u660e\u8fd9\u79cd\u518d\u7ed3\u6676\u6a21\u5f0f\u6bd4\u5176\u4ed6\u7684\u6a21\u5f0f\u4ea7\u751f\u66f4\u7ec6\u7684\u6676\u7c92\uff0c\u8fd9\u53ef\u80fd\u662f\u4ea7\u751f\u7eb3\u7c73\u6676\u7c92\u7684\u4e00\u4e9b\u6781\u7aef\u8fc7\u7a0b\u7684\u57fa\u7840\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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