{"id":251292,"date":"2023-06-12T06:05:33","date_gmt":"2023-06-11T22:05:33","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=251292"},"modified":"2023-06-11T21:06:26","modified_gmt":"2023-06-11T13:06:26","slug":"%e5%8c%97%e5%a4%a7%e9%ad%8f%e6%82%a6%e5%b9%bfinternational-journal-of-plasticity%ef%bc%9a%e9%87%91%e5%b1%9e%e6%9d%90%e6%96%99%e5%bc%ba%e5%ba%a6-%e5%a1%91%e6%80%a7%e4%bc%98%e5%8c%96%e5%8c%b9%e9%85%8d","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=251292","title":{"rendered":"\u5317\u5927\u9b4f\u60a6\u5e7fInternational Journal of Plasticity\uff1a\u91d1\u5c5e\u6750\u6599\u5f3a\u5ea6-\u5851\u6027\u4f18\u5316\u5339\u914d\u7684\u4e34\u754c\u6676\u7c92\u5c3a\u5bf8"},"content":{"rendered":"

<\/b>\u4e00\u3001\u5bfc\u8bfb\u2014\u5173\u952e\u79d1\u5b66\u95ee\u9898\u4e0e\u96be\u70b9<\/b><\/strong><\/p>\n

\u00a0 \u00a0 \u5f3a\u5ea6-\u5851\u6027\u5931\u914d\u77db\u76fe\u662f\u7ed3\u6784\u91d1\u5c5e\u6750\u6599\u6240\u9762\u4e34\u7684\u4e00\u4e2a\u74f6\u9888\u95ee\u9898\u3002\u6211\u4eec\u77e5\u9053\uff0c\u8fd9\u4e24\u65b9\u9762\u7684\u6027\u80fd\u90fd\u5f3a\u70c8\u4f9d\u8d56\u4e8e\u6676\u7c92\u5c3a\u5bf8\uff1a\u5ef6\u5851\u6027\u4e0e\u6676\u7c92\u5c3a\u5bf8\u65f6\u5e38\u662f\u6b63\u76f8\u5173\u7684\uff0c\u800c\u5f3a\u5ea6\u901a\u5e38\u968f\u6676\u7c92\u5c3a\u5bf8\u589e\u5927\u800c\u964d\u4f4e\u3002\u8fd9\u5c31\u5f15\u53d1\u4e86\u51e0\u4e2a\u5173\u952e\u79d1\u5b66\u95ee\u9898\uff1a\u662f\u5426\u5b58\u5728\u5f3a\u5ea6-\u5ef6\u6027\u4f18\u5316\u5339\u914d\u7684\u6700\u4f73\u6676\u7c92\u5c3a\u5bf8\uff08doptimum<\/sub>\uff09\uff1f\u5982\u679c\u5b58\u5728\uff0c\u5982\u4f55\u4ece\u7406\u8bba\u4e0a\u5bf9\u5176\u8fdb\u884c\u9884\u6d4b\uff1f\u5176\u80cc\u540e\u7684\u627f\u8f7d\u53d8\u5f62\u673a\u5236\u53c8\u662f\u4ec0\u4e48\uff1f\u8fd9\u4e9b\u95ee\u9898\u4e0d\u4ec5\u6709\u52a9\u4e8e\u7406\u89e3\u529b\u5b66\u884c\u4e3a\u7684\u6676\u7c92\u5c3a\u5bf8\u4f9d\u8d56\u6027\uff0c\u8fd8\u80fd\u5bf9\u5236\u9020\u9ad8\u6027\u80fd\u7ed3\u6784\u6750\u6599\u63d0\u4f9b\u7406\u8bba\u548c\u5de5\u7a0b\u6307\u5bfc\u3002\u8fbe\u5230\u6700\u4f18\u5f3a\u5ea6-\u5ef6\u5c55\u6027\u7ec4\u5408\u610f\u5473\u7740\u5728\u5c3d\u53ef\u80fd\u9ad8\u7684\u5f3a\u5ea6\u6c34\u5e73\u4e0b\u5e94\u53d8\u80fd\u5bc6\u5ea6\u6781\u9650\u8fbe\u5230\u6216\u63a5\u8fd1\u6700\u5927\u503c\uff0c\u9884\u6d4b\u6240\u5bf9\u5e94\u7684doptimum<\/sub>\u7684\u96be\u5ea6\u5728\u4e8e\u5e94\u53d8\u80fd\u91cf\u6781\u9650\u3001\u5f3a\u5ea6\uff08\u5305\u62ec\u5c48\u670d\u5f3a\u5ea6\u548c\u6297\u62c9\u5f3a\u5ea6\uff09\u548c\u5ef6\u6027\u7684\u6676\u7c92\u5c3a\u5bf8\u4f9d\u8d56\u6027\u7684\u590d\u6742\u6027\u3002<\/p>\n

\u00a0 \u5ef6\u6027\u548c\u5f3a\u5ea6\u5bf9\u6676\u7c92\u5c3a\u5bf8\u7684\u4f9d\u8d56\u6027\u4e3b\u8981\u6e90\u4e8e\u4f4d\u9519\u548c\u6676\u754c\u4e4b\u95f4\u7684\u4ea4\u4e92\u4f5c\u7528\u3002\u5728\u5f39\u5851\u6027\u8f6c\u53d8\u9636\u6bb5\u548c\u5851\u6027\u9636\u6bb5\uff0c\u6676\u754c\u963b\u65ad\u4f4d\u9519\u8fd0\u52a8\u4f1a\u5bfc\u81f4\u6676\u754c\u9644\u8fd1\u7d2f\u79ef\u4f4d\u9519\u6392\u5217\u548c\u4f4d\u9519\u5bc6\u5ea6\u68af\u5ea6\uff0c\u6676\u5185\u56e0\u6b64\u5448\u73b0\u5f88\u5f3a\u7684\u53d8\u5f62\u4e0d\u5747\u5300\u6027\uff0c\u6676\u5185\u957f\/\u77ed\u7a0b\u5185\u5e94\u529b\u4ea6\u968f\u4e4b\u6f14\u5316\u3002\u5728\u6781\u7aef\u60c5\u51b5\u4e0b\uff0c\u5f53\u6676\u7c92\u5c3a\u5bf8\u51cf\u5c0f\u5230\u8d85\u7ec6\u6216\u8005\u7eb3\u7c73\u5c3a\u5ea6\u65f6\uff0c\u4f4d\u9519\u81ea\u7531\u7a0b\u5f88\u5927\u7a0b\u5ea6\u53d7\u9650\u4e8e\u9ad8\u5bc6\u5ea6\u6676\u754c\u3002\u8fd9\u4e9b\u56e0\u7d20\u4f7f\u5f97\u52a0\u5de5\u786c\u5316\u5ef6\u6027\u3001\u6297\u62c9\u5f3a\u5ea6\u4e0e\u6676\u7c92\u5c3a\u5bf8\u4e4b\u95f4\u7684\u5173\u7cfb\u6a21\u578b\u96be\u4ee5\u89e3\u6790\uff0c\u8fdb\u800c\u4f7f\u5f97doptimum<\/sub>\u7684\u7406\u8bba\u6a21\u578b\u63a8\u5bfc\u975e\u5e38\u590d\u6742\u3002<\/p>\n

 <\/p>\n

\u4e8c\u3001\u6210\u679c\u4e0e\u6838\u5fc3\u521b\u65b0\u70b9<\/strong><\/p>\n

\u00a0 \u00a0 \u8fd1\u65e5\uff0c\u5317\u4eac\u5927\u5b66\u9b4f\u60a6\u5e7f\u6559\u6388\u8bfe\u9898\u7ec4\u4ee5\u201c\u5728\u5f3a\u5ea6\u5c3d\u53ef\u80fd\u9ad8\u7684\u6761\u4ef6\u4e0b\u5e94\u53d8\u80fd\u5bc6\u5ea6\u6781\u9650\u8fbe\u5230\u6216\u63a5\u8fd1\u9971\u548c\u201d\u4e3a\u51c6\u5219\uff0c\u901a\u8fc7\u5bf9fcc\u3001bcc\u3001hcp\u4e0d\u540c\u6676\u683c\u7c7b\u578b\u6750\u6599\u7684\u5b9e\u9a8c\u6570\u636e\u5206\u6790\uff0c\u8bc1\u5b9e\u4e86doptimum<\/sub>\u7684\u5b58\u5728\u6027\uff0c\u63ed\u793a\u4e86\u8be5\u4e34\u754c\u6676\u7c92\u5c3a\u5bf8\u7684\u5927\u5c0f\u8303\u7574\uff0c\u5e76\u57fa\u4e8e\u6676\u7c92\u590d\u5408\u6a21\u578b\u548c\u7ecf\u5178\u7684Kocks-Mecking-Estrin \u6a21\u578b\u6784\u5efa\u4e86doptimum<\/sub>\u7684\u7406\u8bba\u9884\u6d4b\u6a21\u578b\u3002\u5177\u4f53\u5730\uff0c\u8be5\u5de5\u4f5c\u53d1\u73b0\uff1a\uff081\uff09doptimum<\/sub>\u901a\u5e38\u4e3a\u51e0\u4e2a\u5fae\u7c73\uff0c\u5e76\u666e\u9002\u5730\u5b58\u5728\u4e8efcc\u3001bcc\u3001hcp\u6750\u6599\u4e2d\uff1b\uff082\uff09doptimum<\/sub>\u22482lGbar<\/sub>\uff0c\u5176\u4e2d\"\"\u662f\u4ee5\u4f4d\u9519pile-up\u548c\u9ad8\u5851\u6027\u5e94\u53d8\u68af\u5ea6\u7d2f\u79ef\u4e3a\u7279\u5f81\u7684\u6676\u754c\u5f71\u54cd\u533a\u7684\u7279\u5f81\u5bbd\u5ea6\uff1b\uff083\uff09doptimum<\/sub>\u662f\u901a\u8fc7\u6676\u7c92\u7ec6\u5316\u540c\u65f6\u589e\u5f3a\u589e\u97e7\u7684\u6781\u9650\u6676\u7c92\u5c3a\u5bf8\uff1b\uff084\uff09doptimum<\/sub>\u4ea6\u662f\u5bf9\u5e94\u6700\u5f3a\u6676\u5185\u5e94\u53d8\u68af\u5ea6\u6548\u5e94\u7684\u4e34\u754c\u6676\u7c92\u5c3a\u5bf8\uff0c\u5373doptimum<\/sub>\u6240\u4ea7\u751f\u7684\u4f18\u5f02\u5f3a\u5ea6-\u5851\u6027\u5339\u914d\u5f88\u5927\u7a0b\u5ea6\u4e0a\u6e90\u4e8e\u6676\u5185\u5e94\u53d8\u68af\u5ea6\u8bf1\u5bfc\u7684\u5f3a\u97e7\u5316\u6548\u5e94\u3002<\/p>\n

\u00a0 \u00a0 \u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cThe optimum grain size for strength-ductility combination in metals\u201d\u4e3a\u9898\u53d1\u8868\u5728\u56fd\u9645\u671f\u520aInternational Journal of Plasticity\u4e0a\u3002<\/p>\n

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\u4e09\u3001\u6570\u636e\u6982\u89c8<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe1 \u00a0\u7eaf\u94dc<\/b><\/strong>\u6750\u6599\uff1a<\/b><\/strong>(A)<\/b><\/strong>\u5747\u5300\u5ef6\u4f38\u7387<\/b><\/strong>\u3001(B)<\/b><\/strong>\u5c48\u670d\u5f3a\u5ea6<\/b><\/strong>\u548c(C)<\/b><\/strong>\u6297\u62c9\u5f3a\u5ea6<\/b><\/strong>\u5bf9\u6676\u7c92\u5c3a\u5bf8<\/b><\/strong>d<\/b><\/em><\/strong>\u7684\u4f9d\u8d56\u6027<\/b><\/strong>\u3002<\/b><\/strong>Annealing<\/b><\/strong>\u00a0coarsening (AC), Recrystallization (RX), Severe plastically deformed (SPD), Coarse grain (CG\u2265<\/b><\/strong>5<\/b><\/strong>\u00a0\u03bc<\/b><\/strong>m), Fine grain (<\/b><\/strong>1<\/b><\/strong>\u00a0\u03bc<\/b><\/strong>m\u2264<\/b><\/strong>FG<<\/b><\/strong>5<\/b><\/strong>\u00a0\u03bc<\/b><\/strong>m), Ultra-fine grain (0.1 \u03bc<\/b><\/strong>m\u2264U<\/b><\/strong>FG<<\/b><\/strong>1 \u03bc<\/b><\/strong>m), Nanostructure (NS<<\/b><\/strong>0.3 \u03bc<\/b><\/strong>m)<\/b><\/strong>\u3002\u7ea2\u8272\u548c\u84dd\u8272\u865a\u7ebf\u4e3a\u7406\u8bba\u6a21\u578b\u9884\u6d4b\uff08\u4e0b\u540c\uff09 \u00a0<\/b><\/strong>\u00a9 2023 Elsevier Ltd.<\/b><\/strong><\/p>\n

\u00a0\"\"<\/b><\/strong><\/p>\n

\u56fe2<\/b><\/strong>\u00a0<\/b><\/strong>\u00a0<\/b><\/strong>\u7eaf\u94dc\u6750\u6599\uff1a(<\/b><\/strong>A-B) <\/b><\/strong>\u5e94\u53d8\u80fd\u5bc6\u5ea6\u6781\u9650\uff08\u4ee5\u03b4u<\/sub><\/b><\/strong>\u2217(\u03c3y<\/sub><\/b><\/strong>+\u03c3uts<\/sub><\/b><\/strong>)\/2\u548c\u03b4u<\/sub><\/b><\/strong>\u2217\u03c3y<\/sub><\/b><\/strong>\u4e3a\u6307\u6807\u8fd1\u4f3c\u8868\u793a\uff09<\/strong>\u7684\u6676\u7c92\u5c3a\u5bf8<\/b><\/strong>d\u4f9d\u8d56\u6027<\/strong>\uff0c\u5728FG\u533adc<\/sub>~2.5\u03bc<\/b><\/strong>m<\/b><\/strong>\u5904\u8fbe\u5230\u4e86\u5cf0\u503c\uff1b(C) \u03b4u<\/sub>\u2217(\u03c3y<\/sub>+\u03c3uts<\/sub>)\/2<\/b><\/strong>\u548c(D)\u03b4u<\/sub>\u2217\u03c3y<\/sub><\/b><\/strong>\u968f\u7740\u03c3y<\/sub><\/b><\/strong>\u7684\u53d8\u5316\uff0c\u663e\u793a\u6676\u7c92\u5c3a\u5bf8\u4e3adc<\/sub><\/b><\/strong>\u65f6<\/b><\/strong>\u6750\u6599\u5177\u6709\u8f83\u9ad8\u7684\u5c48\u670d\u5f3a\u5ea6\uff0c\u5f53\u6676\u7c92\u5c3a\u5bf8\u5c0f\u4e8edc<\/sub><\/b><\/strong>\u65f6\uff0c\u5e94\u53d8\u80fd\u5bc6\u5ea6\u6025\u5267\u8870\u51cf\uff0c\u8868\u660edc<\/sub><\/b><\/strong>\u5c31\u662f\u6240\u63a2\u5bfb\u7684doptimum<\/sub><\/b><\/strong>\u3002<\/strong>\u00a0<\/b><\/strong>\u00a9 <\/b><\/strong>2023 Elsevier Ltd.<\/b><\/strong><\/p>\n

\u00a0<\/b><\/strong><\/p>\n

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\u56fe3 \u00a0<\/b><\/strong>99.66wt%\u7684IF\u94a2\uff1a(<\/b><\/strong>A-B) <\/b><\/strong>\u5e94\u53d8\u80fd\u5bc6\u5ea6\u6781\u9650\uff08\u4ee5\u03b4u<\/sub>\u2217(\u03c3y<\/sub>+\u03c3uts<\/sub>)\/2\u548c\u03b4u<\/sub>\u2217\u03c3y<\/sub><\/b><\/strong>\u4e3a\u6307\u6807\u8fd1\u4f3c\u8868\u793a\uff09<\/strong>\u7684\u6676\u7c92\u5c3a\u5bf8<\/b><\/strong>d\u4f9d\u8d56\u6027\uff1b(C) \u03b4u<\/sub>\u2217(\u03c3y<\/sub>+\u03c3uts<\/sub>)\/2<\/b>\u548c(D)\u03b4u<\/sub>\u2217\u03c3y<\/sub><\/b>\u968f\u7740\u03c3y<\/sub><\/b>\u7684\u53d8\u5316<\/strong>\u3002\u63ed\u793a\u4e86doptimum<\/sub>~2\u03bcm<\/sub><\/b><\/strong>\u3002<\/strong>\u00a9<\/b><\/strong>2023 Elsevier Ltd.<\/b><\/strong><\/p>\n

\u00a0\"\"<\/b><\/strong><\/p>\n

\u56fe4 <\/b><\/strong>\u00a0\u4e00\u7cfb\u5217fcc\u6750\u6599\u7684doptimum<\/sub><\/b><\/strong>\u968f\u7740<\/b><\/strong>\u5806\u579b\u5c42\u9519\u80fd\u7684\u53d8\u5316 <\/b><\/strong>\u00a9<\/b><\/strong>2023 Elsevier Ltd.<\/b><\/strong><\/p>\n

\n \"\"<\/b><\/strong><\/p>\n

\u56fe<\/b><\/strong>5<\/b><\/strong>\u00a0<\/b><\/strong>\u00a0\u590d\u5408\u6676\u7c92\u6a21\u578b\uff1a\u5f53d\u22642lGbar<\/sub><\/b><\/strong>\uff0c\u6676\u7c92\u7531\u6676\u754c\u5f71\u54cd\u533a\uff08G<\/strong>rain boundary affected region, <\/strong>G<\/strong>bar<\/strong>\uff09\u6784\u6210\uff1b\u5f53<\/strong>d\u22642lGbar<\/sub><\/b><\/strong>\uff0c\u6676\u7c92\u7531\u6676\u5185\u533a\u57df\uff08grain<\/strong>\u00a0interior<\/strong>\uff09\u548cG<\/strong>bar<\/strong>\u7ec4\u6210<\/strong>\u3002G<\/b><\/strong>bar<\/b><\/strong>\u533a\u57df\u4ee5GND<\/b><\/strong>s <\/b><\/strong>pile<\/b><\/strong>-up<\/b><\/strong>\u548c\u5e94\u53d8\u68af\u5ea6\u7d2f\u79ef\u4e3a\u7279\u5f81\uff0c\u6676\u5185\u533a\u57df\u4f4d\u9519\u5747\u5300\u7d2f\u79ef <\/b><\/strong>\u00a9 <\/b><\/strong>2023 Elsevier Ltd.<\/b><\/strong><\/p>\n

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\u56fe<\/b><\/strong>6 \u7eaf\u94dc\uff0c\u5e94\u53d8\u786c\u5316\u6307\u6570\u4e0e\u6676\u7c92\u5c3a\u5bf8\u7684\u5173\u7cfb\uff0c\u63ed\u793a\u4e86\u5728FG\u533a\u95f4\u52a0\u5de5\u786c\u5316\u80fd\u529b\u5feb\u901f\u63d0\u9ad8 <\/b><\/strong>\u00a9<\/b><\/strong>2023 Elsevier Ltd.<\/b><\/strong><\/p>\n

\u00a0\"\"<\/b><\/strong><\/p>\n

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\u56fe<\/b><\/strong>7<\/b><\/strong>\u00a0<\/b><\/strong>Gbar\u533a\u57df (A) GND<\/b><\/strong>\u00a0pile-up<\/b><\/strong>\u548c (B)\u957f\u7a0b\u5185\u5e94\u529b\uff08\u80cc\u5e94\u529b\u03c4b<\/sub><\/b><\/strong>\uff09\u53d1\u5c55\u793a\u610f\u56fe <\/b><\/strong>\u00a9<\/b><\/strong>2023 Elsevier Ltd.<\/b><\/strong><\/p>\n

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\u56fe<\/b><\/strong>8<\/b><\/strong>\u00a0<\/b><\/strong>\u00a0\u5728\u76f8\u540c\u65bd\u52a0\u5e94\u53d8\u4e0b\uff0c\u6676\u5185(A)\u5851\u6027\u5e94\u53d8\u68af\u5ea6\u03b7p<\/sup><\/b><\/strong>\u5206\u5e03\u3001(B)\u4f4d\u9519\u5bc6\u5ea6\u68af\u5ea6\u5206\u5e03\u548c(C)\u80cc\u5e94\u529b<\/b><\/strong>\u5206\u5e03\u529b\u03c4b<\/sub><\/strong>\u7684\u6676\u7c92\u5c3a\u5bf8\u4f9d\u8d56\u6027\u793a\u610f\u56fe\u00a0\u00a9<\/b>2023 Elsevier Ltd.<\/b><\/strong><\/p>\n

\u00a0<\/b><\/strong><\/p>\n

\u56db\u3001<\/b><\/strong>\u6210\u679c\u542f\u793a<\/b><\/strong><\/p>\n

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 <\/p>\n

\u539f\u6587\u8be6\u60c5<\/b><\/strong>\uff1a<\/b><\/strong>https:\/\/doi.org\/10.1016\/j.ijplas.2023.103574<\/b><\/u><\/strong><\/a><\/p>\n

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