{"id":244572,"date":"2022-12-02T08:42:18","date_gmt":"2022-12-02T00:42:18","guid":{"rendered":"\/\/m.iemloyee.com\/?p=244572"},"modified":"2022-12-02T08:42:18","modified_gmt":"2022-12-02T00:42:18","slug":"%e8%8b%b1%e5%9b%bd%e5%b8%83%e9%87%8c%e6%96%af%e6%89%98%e5%a4%a7%e5%ad%a6science%ef%bc%9a%e5%9c%a8%e8%80%90%e6%9e%81%e5%af%92%e4%b8%ad%e5%85%b7%e6%9c%89%e6%9e%81%e9%ab%98%e7%9a%84%e6%96%ad%e8%a3%82","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=244572","title":{"rendered":"\u82f1\u56fd\u5e03\u91cc\u65af\u6258\u5927\u5b66Science\uff1a\u5728\u8010\u6781\u5bd2\u4e2d\u5177\u6709\u6781\u9ad8\u7684\u65ad\u88c2\u97e7\u6027\u7684CrCoNi\u5408\u91d1"},"content":{"rendered":"<p style=\"text-align: center;\">\u3010\u5bfc\u8bfb\u3011<\/p>\n<p>\u00a0\u9ad8\u71b5\u5408\u91d1\uff08HEA\uff09\u5728\u51b6\u91d1\u754c\u5f15\u8d77\u4e86\u8d8a\u6765\u8d8a\u591a\u7684\u5173\u6ce8\uff0c\u56e0\u4e3a\u5b83\u662f\u4e00\u7c7b\u91d1\u5c5e\u6750\u6599\uff0c\u5176\u6027\u80fd\u6765\u81ea\u591a\u79cd\u4e3b\u5143\u7d20\u7684\u5b58\u5728\uff0c\u800c\u4e0d\u662f\u50cf\u5927\u591a\u6570\u4f20\u7edf\u91d1\u5c5e\u5408\u91d1\u90a3\u6837\u6765\u81ea\u5355\u4e00\u7684\u4e3b\u8981\u6210\u5206\uff08\u4f8b\u5982\uff0c\u94a2\u4e2d\u7684\u94c1\uff09\u3002\u8be5\u9886\u57df\u5df2\u7ecf\u53d1\u5c55\u5230\u5305\u62ec\u7b49\u539f\u5b50\u548c\u975e\u7b49\u539f\u5b50\u5408\u91d1\uff0c\u5355\u76f8\u56fa\u6eb6\u4f53\u548c\u591a\u76f8\u6210\u5206\u590d\u6742\u5408\u91d1\uff0c\u76ee\u6807\u662f\u627e\u5230\u4e0e\u4f20\u7edf\u5408\u91d1\u4e0d\u540c\u7684\u6027\u80fd\u7ec4\u5408\u3002\u5bfb\u627e\u5728\u6781\u4f4e\u6e29\u5ea6\u4e0b\u5177\u6709\u826f\u597d\u65ad\u88c2\u6027\u80fd\u7684\u7ed3\u6784\u6750\u6599\u5177\u6709\u6311\u6218\u6027\uff0c\u5bf9\u4e8e\u592a\u7a7a\u63a2\u7d22\u7b49\u9886\u57df\u5f88\u91cd\u8981\u3002\u800cCrCoNi\u57fa\u4e2d\u71b5\u548c\u9ad8\u71b5\u5408\u91d1\u8868\u73b0\u51fa\u51fa\u8272\u7684\u635f\u4f24\u8010\u53d7\u6027\uff0c\u7279\u522b\u662f\u5728\u4f4e\u6e29\u4e0b\u3002<\/p>\n<p style=\"text-align: center;\">\u3010\u6210\u679c\u63a0\u5f71\u3011<\/p>\n<p>\u8fd1\u65e5\uff0c\u82f1\u56fd\u5e03\u91cc\u65af\u6258\u5927\u5b66Robert O. Ritchie\u6559\u6388\u7814\u7a76\u4e86\u7b49\u539f\u5b50CrCoNi\u548cCrMnFeCoNi\u5408\u91d1\u572820\u5f00\u5c14\u6587(K)\u4e0b\u7684\u65ad\u88c2\u97e7\u6027\u503c\u3002\u53d1\u73b0CrMnFeCoNi\u548cCrCoNi\u7684\u88c2\u7eb9\u8d77\u88c2\u65ad\u88c2\u97e7\u6027\u5206\u522b\u9ad8\u8fbe262\u548c459\u5146\u5e15\u65af\u5361-\u7c73<sup>\u00bd<\/sup>(MPa\u00b7m<sup>\u00bd<\/sup>); CrCoNi\u57282.25\u6beb\u7c73\u7684\u7a33\u5b9a\u5f00\u88c2\u540e\uff0c\u663e\u793a\u51fa\u8d85\u8fc7540 MPa\u00b7m<sup>\u00bd<\/sup>\u7684\u88c2\u7eb9\u6269\u5c55\u97e7\u6027\u300220 K\u4e0b\u7684\u88c2\u7eb9\u5c16\u7aef\u53d8\u5f62\u7ed3\u6784\u4e0e\u8f83\u9ad8\u6e29\u5ea6\u4e0b\u7684\u88c2\u7eb9\u5c16\u7aef\u53d8\u5f62\u7ed3\u6784\u622a\u7136\u4e0d\u540c\u3002\u4ed6\u4eec\u8ba4\u4e3a\u8fd9\u4e9b\u5408\u91d1\u901a\u8fc7\u53d8\u5f62\u673a\u5236\u3001\u4f4d\u9519\u6ed1\u52a8\u3001\u5806\u79ef-\u65ad\u5c42\u5f62\u6210\u3001\u7eb3\u7c73\u5b6a\u6676\u548c\u76f8\u53d8\u7684\u9010\u6b65\u534f\u540c\u4f5c\u7528\u6765\u53d1\u5c55\u6297\u65ad\u88c2\u6027\uff0c\u8fd9\u4e9b\u534f\u540c\u4f5c\u7528\u53ef\u4ee5\u5ef6\u957f\u5e94\u53d8\u786c\u5316\uff0c\u540c\u65f6\u63d0\u9ad8\u5f3a\u5ea6\u548c\u5ef6\u5c55\u6027\uff0c\u4ece\u800c\u83b7\u5f97\u5f02\u5e38\u7684\u97e7\u6027\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201c<strong><b>Exceptional fracture toughness of CrCoNi-based medium- and high-entropy alloys at 20 kelvin<\/b><\/strong>\u201d\u53d1\u8868\u5728<strong><em><b><i>Science<\/i><\/b><\/em><\/strong>\u4e0a\u3002\u82f1\u56fd\u5e03\u91cc\u65af\u6258\u5927\u5b66Robert O. Ritchie\u6559\u6388\u4e3a\u8bba\u6587\u7684\u901a\u8baf\u4f5c\u8005\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-244573\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/\u5c4f\u5e55\u622a\u56fe-2022-12-02-082824.png\" alt=\"\" width=\"1037\" height=\"399\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/\u5c4f\u5e55\u622a\u56fe-2022-12-02-082824.png 1037w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/\u5c4f\u5e55\u622a\u56fe-2022-12-02-082824-300x115.png 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/\u5c4f\u5e55\u622a\u56fe-2022-12-02-082824-768x295.png 768w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/\u5c4f\u5e55\u622a\u56fe-2022-12-02-082824-1024x394.png 1024w\" sizes=\"(max-width: 1037px) 100vw, 1037px\" \/><\/p>\n<p style=\"text-align: center;\">\u3010\u6570\u636e\u6982\u51b5\u3011<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-244574\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f1.jpg\" alt=\"\" width=\"2850\" height=\"2178\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f1.jpg 2850w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f1-300x229.jpg 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f1-768x587.jpg 768w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f1-1024x783.jpg 1024w\" sizes=\"(max-width: 2850px) 100vw, 2850px\" \/><\/p>\n<p>\u56fe 1.CrCoNi\u548cCrMnFeCoNi\u5408\u91d1\u7684J-R\u66f2\u7ebf\u548c\u65ad\u88c2\u97e7\u6027\u503c\u968f\u6e29\u5ea6\u7684\u53d8\u5316\u3002\u00a9 2022 AAAS<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-244575\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f2.jpg\" alt=\"\" width=\"2850\" height=\"2481\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f2.jpg 2850w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f2-300x261.jpg 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f2-768x669.jpg 768w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f2-1024x891.jpg 1024w\" sizes=\"(max-width: 2850px) 100vw, 2850px\" \/><\/p>\n<p>\u56fe 2.CrCoNi\u57fa\u5408\u91d1\u7684\u5fae\u89c2\u7ed3\u6784\u548c\u65ad\u53e3\u5f62\u8c8c\u3002\u00a9 2022 AAAS<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-244576\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f3.jpg\" alt=\"\" width=\"2850\" height=\"1553\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f3.jpg 2850w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f3-300x163.jpg 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f3-768x418.jpg 768w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f3-1024x558.jpg 1024w\" sizes=\"(max-width: 2850px) 100vw, 2850px\" \/><\/p>\n<p>\u56fe 3.EBSD\uff08\u7535\u5b50\u80cc\u6563\u5c04\u884d\u5c04\uff09\u56fe\u3002\u00a9 2022 AAAS<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-244577\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f4.jpg\" alt=\"\" width=\"2850\" height=\"2732\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f4.jpg 2850w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f4-300x288.jpg 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f4-768x736.jpg 768w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f4-1024x982.jpg 1024w\" sizes=\"(max-width: 2850px) 100vw, 2850px\" \/><\/p>\n<p>\u56fe 4.HRTEM\u548c4D-STEM\u8868\u5f81\u4e86293\u548c20 K\u5904\u4e0e\u65ad\u88c2\u8868\u9762\u76f8\u90bb\u7684CrCoNi\u5408\u91d1\u4e2d\u53d8\u5f62\u7684\u5fae\u89c2\u7ed3\u6784\u3002\u00a9 2022 AAAS<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-244578\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f5.jpg\" alt=\"\" width=\"2850\" height=\"2409\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f5.jpg 2850w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f5-300x254.jpg 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f5-768x649.jpg 768w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/12\/science.abp8070-f5-1024x866.jpg 1024w\" sizes=\"(max-width: 2850px) 100vw, 2850px\" \/><\/p>\n<p>\u56fe 5.\u65ad\u88c2\u97e7\u6027\u65b9\u9762\u7684\u963f\u4ec0\u6bd4\u56fe\u3002\u00a9 2022 AAAS<\/p>\n<p style=\"text-align: center;\">\u3010\u6210\u679c\u542f\u793a\u3011<\/p>\n<p>\u603b\u4e4b\uff0c\u4f5c\u8005\u53d1\u73b0\u4e86\u4e00\u79cd\u9ad8\u71b5\u94ec\u94b4\u954d\u5408\u91d1\uff0c\u572820\u5f00\u5c14\u6587\u4e0b\uff0c\u5177\u6709\u975e\u5e38\u9ad8\u7684\u65ad\u88c2\u97e7\u6027\u3002\u8fd9\u79cd\u6750\u6599\u884c\u4e3a\u662f\u7531\u610f\u5916\u7684\u76f8\u53d8\u5f15\u8d77\u7684\uff0c\u5f53\u4e0e\u5176\u4ed6\u5fae\u89c2\u7ed3\u6784\u7ed3\u5408\u65f6\uff0c\u53ef\u9632\u6b62\u88c2\u7eb9\u7684\u5f62\u6210\u548c\u6269\u5c55\u3002\u8fd9\u79cd\u5408\u91d1\u7684\u65ad\u88c2\u97e7\u6027\uff0c\u4f7f\u5176\u5728\u4e00\u7cfb\u5217\u4f4e\u6e29\u5e94\u7528\u4e2d\u5177\u6709\u6f5c\u5728\u7684\u7528\u9014\u3002\u8fd9\u79cd\u57fa\u4e8eCrCoNi\u7684\u591a\u4e3b\u5143\u7d20\u5408\u91d1\u663e\u7136\u662f\u5728\u6781\u7aef\u73af\u5883\u4e2d\u6f5c\u5728\u5e94\u7528\u7684\u5f3a\u5019\u9009\u6750\u6599\uff0c\u4f8b\u5982\u5728\u975e\u5e38\u9ad8\u7684\u5e94\u53d8\u7387\u548c\u4f4e\u6e29\u4e0b\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u53c2\u8003\u6587\u732e\uff1aLiu D, Yu Q, Kabra S, Jiang M, Forna-Kreutzer P, Zhang R, Payne M, Walsh F, Gludovatz B, Asta M et al: Exceptional fracture toughness of CrCoNi-based medium- and high-entropy alloys at 20 kelvin. 2022, 378(6623):978-983.<\/p>\n<p><a href=\"https:\/\/doi.org\/10.1126\/science.abp8070\">https:\/\/doi.org\/10.1126\/science.abp8070<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u5bfc\u8bfb\u3011 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