{"id":242256,"date":"2022-09-15T07:54:25","date_gmt":"2022-09-14T23:54:25","guid":{"rendered":"\/\/m.iemloyee.com\/?p=242256"},"modified":"2022-09-14T15:57:40","modified_gmt":"2022-09-14T07:57:40","slug":"%e9%a6%99%e6%b8%af%e5%9f%8e%e5%b8%82%e5%a4%a7%e5%ad%a6nano-letters%ef%bc%9a%e5%88%a9%e7%94%a8%e9%ab%98%e7%86%b5%e5%90%88%e9%87%91%e7%94%9f%e6%88%90%e5%bc%ba%e9%9f%a7%e5%85%b7%e6%9c%89%e7%8b%ac","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=242256","title":{"rendered":"\u9999\u6e2f\u57ce\u5e02\u5927\u5b66Nano Letters\uff1a\u5229\u7528\u9ad8\u71b5\u5408\u91d1\u751f\u6210\u5f3a\u97e7\u5177\u6709\u72ec\u7279\u7eb3\u7c73\u7ed3\u6784\u7684\u9ad8\u71b5\u91d1\u5c5e\u9676\u74f7"},"content":{"rendered":"<ul>\n<li>\u5bfc\u8bfb<\/li>\n<\/ul>\n<p>\u91d1\u5c5e\u9676\u74f7\uff08Cermet\uff09\u662f\u4e00\u79cd\u7531\u9676\u74f7\u76f8\u548c\u91d1\u5c5e\u76f8\u7ec4\u6210\u7684\u5148\u8fdb\u590d\u5408\u6750\u6599\uff0c\u5728\u5de5\u7a0b\u9886\u57df\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u5e94\u7528\u4ef7\u503c\u3002\u4f20\u7edf\u7684\u91d1\u5c5e\u9676\u74f7\u5236\u5907\u5f88\u5927\u7a0b\u5ea6\u4f9d\u8d56\u4e8e\u975e\u539f\u4f4d (ex-situ)\u65b9\u6cd5\uff1a\u901a\u8fc7\u5c06\u575a\u786c\u7684\u8106\u76f8\u9676\u74f7 (\u5982WC\uff0cTiC) \u540c\u5177\u5907\u5ef6\u5c55\u6027\u7684\u91d1\u5c5e\u6750\u6599\uff08\u5982Fe\uff0cCo\uff0cNi\u7b49\uff09\u8fdb\u884c\u7c89\u672b\u51b6\u91d1\u70e7\u7ed3\u83b7\u5f97\u3002\u4f5c\u4e3a\u590d\u5408\u6750\u6599\uff0c\u91d1\u5c5e\u9676\u74f7\u5177\u5907\u9ad8\u786c\u5ea6\u3001\u4f18\u5f02\u7684\u6297\u6c27\u5316\/\u6297\u78e8\u635f\u6027\u80fd\u3001\u51fa\u8272\u7684\u5316\u5b66\u53ca\u70ed\u7a33\u5b9a\u6027\u3002\u867d\u7136\u76f8\u8f83\u4e4b\u9676\u74f7\u6750\u6599\uff0c\u91d1\u5c5e\u9676\u74f7\u5c55\u73b0\u51fa\u660e\u663e\u7684\u97e7\u6027\u63d0\u5347\uff0c\u7136\u800c\u5ba4\u6e29\u4e0b\u7f3a\u4e4f\u8db3\u591f\u5851\u6027\/\u97e7\u6027\u4ecd\u7136\u4f7f\u5176\u5728\u5de5\u7a0b\u5e94\u7528\u9886\u57df\u9762\u4e34\u8bf8\u591a\u95ee\u9898\u3002\u4e3a\u4e86\u5f25\u8865\u91d1\u5c5e\u9676\u74f7\u5728\u5851\u6027\/\u97e7\u6027\u65b9\u9762\u7684\u77ed\u677f\uff0c\u79d1\u5b66\u5bb6\u4eec\u5c1d\u8bd5\u4ece\u590d\u5408\u6750\u6599\u7ec4\u5206\u8bbe\u8ba1\u548c\u975e\u539f\u4f4d\u5236\u5907\u5de5\u827a\u4e24\u5927\u65b9\u9762\u8fdb\u884c\u6539\u5584\uff0c\u7136\u800c\u8fdb\u5c55\u751a\u5fae\u3002\u540c\u65f6\uff0c\u91d1\u5c5e\u9676\u74f7\u7684\u8584\u819c\/\u6d82\u5c42\u4e5f\u5e7f\u6cdb\u7528\u4f5c\u4fdd\u62a4\u6d82\u5c42\u4ee5\u53ca\u529f\u80fd\u6750\u6599\uff0c\u7136\u800c\u5728\u8584\u819c\u72b6\u6001\u4e0b\u4e5f\u672a\u66fe\u83b7\u5f97\u5ef6\u5c55\u6027\u3002\u65f6\u81f3\u4eca\u65e5\uff0c\u8bbe\u8ba1\u3001\u5236\u5907\u5ba4\u6e29\u4e0b\u5177\u5907\u5ef6\u5c55\u6027 (ductility)\u00a0\u7684\u91d1\u5c5e\u9676\u74f7\u4ecd\u7136\u610f\u4e49\u975e\u51e1\uff0c\u4f46\u53c8\u6311\u6218\u91cd\u91cd\u3002<\/p>\n<ul>\n<li>\u6210\u679c\u63a0\u5f71<\/li>\n<\/ul>\n<p>\u8fd1\u65e5\uff0c\u9999\u6e2f\u57ce\u5e02\u5927\u5b66<strong><b>\u6768\u52c7<\/b><\/strong>\u6559\u6388\u3001\u5317\u4eac\u9ad8\u538b\u79d1\u5b66\u7814\u7a76\u4e2d\u5fc3<strong><b>\u66fe\u6865\u77f3<\/b><\/strong>\u7814\u7a76\u5458\u3001\u6e56\u5357\u5927\u5b66<strong><b>\u65b9\u68cb\u6d2a<\/b><\/strong>\u6559\u6388\u7b49\u4eba\u5408\u4f5c\uff0c\u901a\u8fc7\u6e2f\u57ce\u5927\u5f00\u53d1\u7684\u805a\u5408\u7269\u8868\u9762\u5c48\u66f2\u5265\u79bb(polymer surface buckling enabled exfoliation)\u00a0\u5236\u5907\u65b9\u6cd5\uff0c\u4f7f\u9ad8\u71b5\u5408\u91d1\u7eb3\u7c73\u6676\u4f53\u4e0e\u805a\u4e59\u70ef\u9187\u7684\u5206\u5b50\u7ed3\u6784\u53cd\u5e94\u5408\u6210\u4e86\u5927\u9762\u79ef\u65e0\u57fa\u5e95\u72ec\u7acb\u5f0f\u7684\u00a0(freestanding)\u00a0\u91d1\u5c5e\u9676\u74f7\u7eb3\u7c73\u8584\u7247\u3002\u8fd9\u79cd\u91d1\u5c5e\u9676\u74f7\u7eb3\u7c73\u8584\u7247\u5177\u5907\u590d\u6742\u4e14\u72ec\u7279\u7684\u7eb3\u7c73\u7ed3\u6784\uff1a\u7531\u9ad8\u71b5\u5408\u91d1\u7eb3\u7c73\u6676\u4f53\u548c\u5305\u56f4\u7740\u5b83\u7684\u590d\u6742\u6210\u5206\u975e\u6676\u7ed3\u6784\u9676\u74f7\u7ec4\u6210\u3002\u539f\u5b50\u529b\u663e\u5fae\u955c\u538b\u75d5\u5b9e\u9a8c\u8bc1\u5b9e\u4e86\u8fd9\u79cd\u9ad8\u71b5\u5408\u91d1\u884d\u751f\u5f97\u5230\u7684\u91d1\u5c5e\u9676\u74f7\u5728\u73af\u5883\u6e29\u5ea6\u4e0b\u5177\u5907\u6781\u597d\u7684\u5f3a\u5ea6\u00a0(~3.2 GPa)\u00a0\u548c\u4f18\u5f02\u7684\u5ef6\u5c55\u6027\u00a0(~50%)\uff0c\u514b\u670d\u4e86\u4f20\u7edf\u91d1\u5c5e\u9676\u74f7\u4ee5\u53ca\u91d1\u5c5e\u9676\u74f7\u8584\u819c\u6240\u9762\u4e34\u957f\u671f\u5b58\u5728\u7684\u8106\u6027\u77ed\u677f\u3002\u7eb3\u7c73\u7ed3\u6784\u548c\u70ed\u5b66\u6027\u80fd\u7814\u7a76\u8fdb\u4e00\u6b65\u63ed\u6b64\u91d1\u5c5e\u9676\u74f7\u7eb3\u7c73\u8584\u7247\u7684\u51fa\u8272\u5ef6\u5c55\u6027\u5e94\u5f52\u529f\u4e8e\u975e\u6676\u9676\u74f7\u76f8\u7684\u8f83\u4f4e\u7684\u73bb\u7483\u8f6c\u53d8\u6e29 (<em><i>T<\/i><\/em><em><sub><i>g<\/i><\/sub><\/em>=553 K)\uff0c\u4f7f\u5f97\u7406\u8bba\u4e0a\u9676\u74f7\u76f8\u80fd\u591f\u5728\u5ba4\u6e29\u4e0b\u80fd\u5c55\u73b0\u51fa\u7c7b\u9ecf\u6d41\u4f53\u884c\u4e3a\uff0c\u4ece\u800c\u627f\u53d7\u8f83\u5927\u5f62\u53d8\u800c\u4e0d\u65ad\u88c2\u3002\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u578b\u4ea6\u4ece\u539f\u5b50\u5806\u579b\u7ed3\u6784\u3001\u539f\u5b50\u53d7\u529b\u5206\u5e03\u3001\u5c40\u90e8\u5e94\u53d8\u573a\u89d2\u5ea6\u5206\u6790\u83b7\u5f97\u5ef6\u5c55\u6027\u539f\u56e0\u3002\u6b64\u5916\uff0c\u8be5\u91d1\u5c5e\u9676\u74f7\u7eb3\u7c73\u8584\u7247\u4ea6\u5c55\u73b0\u51fa\u76f8\u5f53\u4e8e\u7eaf\u91d1\u5c5e\u6750\u6599\u7684\u5bfc\u7535\u6027\u80fd (~80 mW\u00d7cm)\u00a0\u4ee5\u53ca\u8d85\u9ad8\u7684\u9762\u79ef\u539a\u5ea6\u6bd4 (10<sup>4<\/sup>~10<sup>6<\/sup>)\uff0c\u7ed3\u5408\u5176\u4f18\u5f02\u7684\u673a\u68b0\u6027\u80fd\uff0c\u6709\u671b\u5e94\u7528\u4e8e\u67d4\u6027\u7535\u5b50\u9886\u57df\u6216\u8005\u5fae\u673a\u7535\u7cfb\u7edf\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201cStrong yet Ductile High Entropy Alloy Derived Nanostructured Cermet\u201d\u4e3a\u9898\u53d1\u8868\u5728Nano Letters\u4e0a\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-242257\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet1093.png\" alt=\"\" width=\"554\" height=\"243\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet1093.png 554w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet1093-300x132.png 300w\" sizes=\"(max-width: 554px) 100vw, 554px\" \/> <\/p>\n<p>\u8bba\u6587\u94fe\u63a5\uff1ahttps:\/\/doi.org\/10.1021\/acs.nanolett.2c02097<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u6838\u5fc3\u521b\u65b0\u70b9<\/li>\n<li>\u6210\u529f\u8bbe\u8ba1\u3001\u5236\u5907\u51fa\u5177\u5907\u5ba4\u6e29\u4e0b\u9ad8\u5ef6\u5c55\u6027 (~50%) \u7684\u91d1\u5c5e\u9676\u74f7\u590d\u5408\u6750\u6599\uff0c\u5177\u5907\u4f18\u5f02\u7684\u6574\u4f53\u529b\u5b66\u6027\u80fd (s~2 GPa)\u3002<\/li>\n<li>\u901a\u8fc7\u539f\u4f4d (in-situ)\u53cd\u5e94\u4ea7\u751f\u7684\u9ad8\u71b5\u975e\u6676\u9676\u74f7\u5177\u5907\u8f83\u4f4e\u7684\u73bb\u7483\u8f6c\u53d8\u6e29\u5ea6 (<em><i>T<\/i><\/em><em><sub><i>g<\/i><\/sub><\/em>=553 K)\uff0c\u539f\u7406\u4e0a\u4e3a\u91d1\u5c5e\u9676\u74f7\u63d0\u4f9b\u8f83\u9ad8\u7684\u5ef6\u5c55\u6027\u3002<\/li>\n<li>\u901a\u8fc7\u805a\u5408\u7269\u8868\u9762\u5c48\u66f2\u5265\u79bb\u65b9\u6cd5\u5236\u5907\u5f97\u5230\u4f4e\u7ef4\u5ea6\u7eb3\u7c73\u5c3a\u5ea6\u91d1\u5c5e\u9676\uff0c\u53ef\u5e94\u7528\u4e8e\u67d4\u6027\u7535\u5b50\u9886\u57df\u4ee5\u53ca\u5fae\u673a\u7535\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u6570\u636e\u6982\u89c8<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-242258\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet1332.png\" alt=\"\" width=\"554\" height=\"280\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet1332.png 554w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet1332-300x152.png 300w\" sizes=\"(max-width: 554px) 100vw, 554px\" \/><\/p>\n<p><strong><b>\u56fe1. \u65e0\u57fa\u5e95\u72ec\u7acb\u5f0f<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>(freestanding)<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>\u91d1\u5c5e\u9676\u74f7\u7eb3\u7c73<\/b><\/strong><strong><b>\u8584<\/b><\/strong><strong><b>\u7247\u7684\u5408\u6210\u548c\u7ed3\u6784\u8868\u5f81\u3002<\/b><\/strong><\/p>\n<p>(a) Freestanding \u8d85\u8584\u7eb3\u7c73\u8584\u7247\u7684\u5f62\u6210\u793a\u610f\u56fe\u3002 (b) 20 nm\u539afreestanding\u91d1\u5c5e\u9676\u74f7\u7eb3\u7c73\u8584\u7247\u7684\u4f4e\u500d\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c(TEM)\u56fe\u50cf\u3002\u63d2\u56fe\u663e\u793a\u4e86\u76f8\u5e94\u7684\u9009\u5b9a\u533a\u57df\u884d\u5c04\u56fe\u6848(SADP)\u3002 (c) 20 nm\u539afreestanding\u91d1\u5c5e\u9676\u74f7\u7eb3\u7c73\u7247\u7684\u9ad8\u5206\u8fa8\u7387\u00a0TEM (HRTEM) \u56fe\u50cf\u3002\u7eb3\u7c73\u6676\u4f53\u7531\u9ec4\u8272\u865a\u7ebf\u5706\u5708\u7a81\u51fa\u663e\u793a\u3002 (d1-d4) \u4e2d\u5305\u542b\u5404\u79cd\u6709\u5e8f\u5ea6\u7684\u975e\u6676\u533a\u57df\u7684\u5c40\u90e8 HRTEM \u56fe\u50cf\u548c\u76f8\u5e94\u7684\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362 (FFT) \u56fe\u50cf\u3002 (e) 20 nm \u539a\u00a0freestanding \u91d1\u5c5e\u9676\u74f7\u7eb3\u7c73\u7247\u7684\u9ad8\u89d2\u5ea6\u73af\u5f62\u6697\u573a\u626b\u63cf TEM (HAADF-STEM) \u56fe\u50cf\uff0c\u663e\u793a\u7eb3\u7c73\u6676\u76f8\u00a0(\u4eae\u533a)\u00a0\u548c\u975e\u6676\u76f8\u00a0(\u6697\u533a)\u3002 (f) \u7eb3\u7c73\u6676\u4f53\u7684\u5c3a\u5bf8\u5206\u5e03\u3002 (g) \u4e0e\u6c89\u79ef\u5728 Si \u4e0a\u7684\u5355\u76f8\u9762\u5fc3\u7acb\u65b9 (FCC)\u00a0FeCoNiCrCu \u8584\u819c\u76f8\u6bd4\uff0c\u5177\u6709\u4e0d\u540c\u539a\u5ea6\u7684freestanding\u91d1\u5c5e\u9676\u74f7\u7684\u884d\u5c04\u56fe\u6848\u7684\u5f84\u5411\u79ef\u5206\u5f3a\u5ea6\u3002\u7d22\u5f15\u7684 FCC \u6676\u4f53\u5b66\u53d6\u5411\u548c\u65e0\u5b9a\u5f62\u201c\u9a7c\u5cf0\u201d\u5206\u522b\u7531\u865a\u7ebf\u548c\u8272\u5e26\u8868\u793a\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-242259\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet1817.png\" alt=\"\" width=\"504\" height=\"400\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet1817.png 504w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet1817-300x238.png 300w\" sizes=\"(max-width: 504px) 100vw, 504px\" \/><\/p>\n<p><strong><b>\u56fe2. 20 nm \u539a<\/b><\/strong><strong><b>freestanding<\/b><\/strong><strong><b>\u91d1\u5c5e\u9676\u74f7\u7eb3\u7c73<\/b><\/strong><strong><b>\u8584<\/b><\/strong><strong><b>\u7247\u7684\u5316\u5b66<\/b><\/strong><strong><b>\u8868\u5f81<\/b><\/strong><strong><b>\u3002<\/b><\/strong><\/p>\n<p>(a-h) Fe\u3001Co\u3001Ni\u3001Cu\u3001Cr\u3001O \u548c C \u7684 HAADF-STEM \u56fe\u50cf\u548c\u76f8\u5e94\u7684\u80fd\u91cf\u8272\u6563 X-\u5c04\u7ebf\u5149\u8c31 (EDX)\u3002 (i) \u975e\u6676-\u6676\u4f53\u754c\u9762\u7684\u7ebf\u626b\u63cf\u8f6e\u5ed3\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-242260\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet1942.png\" alt=\"\" width=\"554\" height=\"808\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet1942.png 554w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet1942-206x300.png 206w\" sizes=\"(max-width: 554px) 100vw, 554px\" \/><\/p>\n<p><strong><b>\u56fe3. 20 nm \u539a\u91d1\u5c5e\u9676\u74f7\u7eb3\u7c73<\/b><\/strong><strong><b>\u8584<\/b><\/strong><strong><b>\u7247\u7684 X-\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31 (XPS) \u6df1\u5ea6\u5256\u9762\u5206\u6790\u3002<\/b><\/strong><\/p>\n<p>(a-g)\u00a0\u968f\u7740\u8680\u523b\u65f6\u95f4\u7684\u589e\u52a0\uff0cXPS \u5149\u8c31\u7a84\u626b\u63cf\u56fe\uff0c\u5206\u522b\u4e3a\uff1a(a) C 1s, (b) O 1s, (c) Fe 2p, (d) Co 2, (e) Ni 2p, (f) Cu 2p\uff0c\u00a0\u548c (g) Cr 2p\u3002 (h) \u4e0d\u540c\u8680\u523b\u65f6\u95f4\u4e0b\u4e0d\u540c\u5316\u5b66\u952e\u4ee3\u8868\u7269\u8d28\u6d53\u5ea6\u7684\u5b9a\u91cf\u5206\u6790\u3002 (i) \u91d1\u5c5e\u9676\u74f7\u5f02\u76f8\u7ed3\u6784\u7684\u793a\u610f\u56fe\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-242261\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet2144.png\" alt=\"\" width=\"554\" height=\"518\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet2144.png 554w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet2144-300x281.png 300w\" sizes=\"(max-width: 554px) 100vw, 554px\" \/><\/p>\n<p><strong><b>\u56fe 4.\u91d1\u5c5e\u9676\u74f7\u7eb3\u7c73<\/b><\/strong><strong><b>\u8584<\/b><\/strong><strong><b>\u7247\u7684\u673a\u68b0<\/b><\/strong><strong><b>\u6027\u80fd<\/b><\/strong><strong><b>\u548c\u70ed<\/b><\/strong><strong><b>\u5b66\u6027\u80fd<\/b><\/strong><strong><b>\u3002<\/b><\/strong><\/p>\n<p>(a) 20 nm\u539a\u91d1\u5c5e\u9676\u74f7\u7eb3\u7c73\u7247\u5728\u539f\u5b50\u529b\u663e\u5fae\u955c (AFM) \u538b\u75d5\u4e0b\u5b9e\u9a8c\u4e0b\u7684\u529b-\u4f4d\u79fb\u66f2\u7ebf\u4e0e\u6709\u9650\u5143\u6a21\u62df\u00a0(FEA) \u7684\u6bd4\u8f83\u3002 (b-c) Freestanding\u91d1\u5c5e\u9676\u74f7\u7eb3\u7c73\u8584\u7247\u5728\u538b\u75d5\u5b9e\u9a8c\u524d (b) \u548c\u65ad\u88c2\u540e (c) \u7684 AFM \u626b\u63cf\u56fe\u50cf\u3002 (d) \u4e0e\u5176\u4ed6\u76f8\u5173\u91d1\u5c5e\u548c\u91d1\u5c5e\u9676\u74f7\u76f8\u6bd4\uff0c\u6b64\u9ad8\u71b5\u5408\u91d1 (HEA) \u884d\u751f\u91d1\u5c5e\u9676\u74f7\u7684\u5c48\u670d\u5f3a\u5ea6\u4e0e\u5ef6\u5c55\u6027\u5bf9\u6bd4\u56fe\u3002 e) 20 nm \u539afreestanding\u91d1\u5c5e\u9676\u74f7\u7eb3\u7c73\u8584\u7247\u4e2d\u88ab\u963b\u788d\u7684\u88c2\u7eb9\u7684 TEM \u56fe\u50cf\u3002 (f) \u65ad\u88c2\u8fc7\u7a0b\u533a\u00a0(fracture process zone) \u653e\u5927\u56fe\uff0c\u5982(e)\u4e2d\u7ea2\u6846\u6240\u793a\u3002 (g1-g2) \u9ad8\u5ea6\u53d8\u5f62\u7684\u754c\u9762\u5904\u7684\u975e\u6676\u9676\u74f7\u76f8\u7684 HRTEM \u56fe\u50cf\u548c\u76f8\u5e94\u7684\u5feb\u901f\u5085\u7acb\u53f6\u8f6c\u6362\u00a0(FFT) \u56fe\u50cf\u3002 (h) \u88ab\u62c9\u4f38\u81f3\u7ea6 500% \u7684\u975e\u6676\u9676\u74f7\u754c\u9762\u7684 HRTEM \u56fe\u50cf\u3002\u8bf7\u6ce8\u610f\uff0c\u6b64\u56fe\u50cf\u662f\u4e24\u4e2a HRTEM \u56fe\u50cf\u7684\u62fc\u63a5\u3002 (i) \u5728\u4e0d\u540c\u52a0\u70ed\u901f\u7387\u4e0b\u83b7\u5f97\u7684 20 nm \u539afreestanding\u91d1\u5c5e\u9676\u74f7\u7eb3\u7c73\u7247\u7684\u95ea\u5149\u5dee\u793a\u626b\u63cf\u91cf\u70ed\u4eea (F-DSC) \u66f2\u7ebf\u3002\u63d2\u56fe\u663e\u793a\u4e86\u6d4b\u8bd5\u524d\u82af\u7247\u4f20\u611f\u5668\u4e0a\u7eb3\u7c73\u7247\u6837\u54c1\u7684\u7167\u7247\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-242262\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet2637.png\" alt=\"\" width=\"554\" height=\"592\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet2637.png 554w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/09\/20220914-\u6750\u6599\u4eba\u6295\u7a3f-Strong-yet-Ductile-High-Entropy-Alloy-Derived-Nanostructured-Cermet2637-281x300.png 281w\" sizes=\"(max-width: 554px) 100vw, 554px\" \/><\/p>\n<p><strong><b>\u56fe5. HEA \u884d\u751f\u91d1\u5c5e\u9676\u74f7\u4e2d\u53ef\u5851\u6027\u673a\u5236\u7684\u5206\u5b50\u52a8\u529b\u5b66 (MD) \u6a21\u62df<\/b><\/strong><strong><b>\u3002<\/b><\/strong><\/p>\n<p>(a) \u7528\u4e8e\u6b64\u00a0MD \u6a21\u62df\u4e2d\u5177\u5907\u4ee3\u8868\u6027\u7684\u91d1\u5c5e\u9676\u74f7\u7eb3\u7c73\u7ed3\u6784\u793a\u610f\u56fe\u3002 (b) \u5b8c\u5168\u6676\u4f53\u548c\u5728\u975e\u6676\u9676\u74f7\u754c\u9762\u4e2d\u5177\u6709\u4e0d\u540c O \u6d53\u5ea6\u91d1\u5c5e\u9676\u74f7\u6a21\u578b\u7684\u5e94\u53d8-\u5e94\u529b\u66f2\u7ebf\uff0c\u5176\u4e2d\u7eb3\u7c73\u6676\u4f53\u5e73\u5747\u5c3a\u4e3a 5 nm\u3002 (c) MD \u6a21\u62df\u8ba1\u7b97\u5f3a\u5ea6\u548c\u5747\u5300\u5e94\u53d8\u968f O \u6d53\u5ea6\u7684\u53d8\u5316\u3002 \u63d2\u56fe\u663e\u793a\u4e86 O \u539f\u5b50\u7684\u6e17\u900f\u7f51\u7edc\u3002 (d-f) \u5728\u65bd\u52a0\u4e0d\u540c\u7a0b\u5ea6\u5e94\u53d8\u6761\u4ef6\u4e0b\u6cbf\u52a0\u8f7d\u65b9\u5411\u7684\u5c40\u90e8\u539f\u5b50\u5806\u79ef\u3001von-Mises \u5e94\u53d8\u548c\u539f\u5b50\u7ea7\u5e94\u529b\u7684\u5206\u5e03\u56fe\u3002 \u8bf7\u6ce8\u610f\uff0c\u8fd9\u4e9b\u5206\u5e03\u56fe\u662f\u4ece O \u6d53\u5ea6\u4e3a 30% \u4e14\u7eb3\u7c73\u6676\u4f53\u5c3a\u5bf8\u4e3a 5 nm \u7684\u539f\u5b50\u6a21\u578b\u4e2d\u83b7\u5f97\u7684\u3002 (g)\u00a0\u5728\u65bd\u52a0\u4e0d\u540c\u5e94\u53d8\u6761\u4ef6\u4e0b\u6cbf\u6a2a\u5411 (\u6216\u79f0\u00a0y \u65b9\u5411)\u00a0\u7684\u539f\u5b50\u7ea7\u5e94\u529b\u76f4\u65b9\u56fe\u3002<\/p>\n<ul>\n<li>\u6210\u679c\u542f\u793a<\/li>\n<\/ul>\n<p>\u8be5\u7814\u7a76\u4e2d\u7684\u91d1\u5c5e\u9676\u74f7\u9664\u4e86\u53ef\u4ee5\u4ee5\u7eb3\u7c73\u8584\u7247\u5f62\u5f0f\u5e94\u7528\u4e8e\u67d4\u6027\u7535\u5b50\u9886\u57df\u548c\u5fae\u673a\u7535\u7cfb\u7edf\uff0c\u66f4\u4ece\u4e00\u4e2a\u5168\u65b0\u89d2\u5ea6\u63d0\u4f9b\u4e86\u514b\u670d\u91d1\u5c5e\u9676\u74f7\u56fa\u6709\u8106\u6027\u7684\u53ef\u80fd\u9014\u5f84\u3002\u5c3d\u7ba1\u5728\u73b0\u9636\u6bb5\u7684\u7814\u7a76\u4e2d\uff0c\u8fd9\u4e00\u9ad8\u71b5\u5408\u91d1\u884d\u751f\u5f97\u5230\u7684\u91d1\u5c5e\u9676\u74f7\u4e3a\u7eb3\u7c73\u8584\u7247\uff0c\u4f46\u901a\u8fc7\u5c06\u8fd9\u4e9b\u7eb3\u7c73\u7247\u5806\u53e0\u6216\u7ec4\u88c5\u6210\u5757\u72b6\u6216\u5c42\u72b6\u7ed3\u6784\u662f\u975e\u5e38\u53ef\u884c\u7684\u3002\u7c7b\u4f3c\u7684\u81ea\u4e0b\u800c\u4e0a\u7684\u5236\u9020\u65b9\u6cd5\u9002\u7528\u4e8e\u5176\u4ed6\u4e8c\u7ef4\u6750\u6599\uff0c\u4f8b\u5982\u805a\u5408\u7269\u8f85\u52a9\u7ec4\u88c5\u548c\u4f4e\u6e29\u8d85\u58f0\u6ce2\u710a\u63a5\u3002\u800c\u589e\u6750\u5236\u9020\u5408\u6210\u5927\u4f53\u79ef\u3001\u5177\u5907\u4f18\u5f02\u673a\u68b0\u6027\u80fd\u7684\u91d1\u5c5e\u9676\u74f7\u662f\u5728\u8fdb\u884c\u7684\u7814\u7a76\u5de5\u4f5c\u3002<\/p>\n<p><strong><b>\u5f20\u9756\u626c<\/b><\/strong>\u535a\u58eb\u3001<strong><b>\u4f59\u6674<\/b><\/strong>\u535a\u58eb\u540e\u4ee5\u53ca<strong><b>\u738b\u5e86<\/b><\/strong>\u6559\u6388\u4e3a\u6539\u6587\u7ae0\u5171\u540c\u4e00\u4f5c\u3002<\/p>\n<p>\u672c\u6587\u7531\u9999\u6e2f\u57ce\u5e02\u5927\u5b66\u5f20\u9756\u626c\u535a\u58eb\u4f9b\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5bfc\u8bfb \u91d1\u5c5e\u9676\u74f7\uff08Cermet\uff09\u662f\u4e00\u79cd\u7531\u9676\u74f7\u76f8\u548c\u91d1\u5c5e\u76f8\u7ec4\u6210\u7684\u5148\u8fdb\u590d\u5408\u6750\u6599\uff0c\u5728\u5de5\u7a0b\u9886\u57df\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u5e94\u7528\u4ef7\u503c\u3002\u4f20\u7edf\u7684\u91d1\u5c5e\u9676\u74f7\u5236\u5907\u5f88\u5927\u7a0b\u5ea6\u4f9d\u8d56\u4e8e\u975e\u539f\u4f4d (ex-sit&#8230;<\/p>\n","protected":false},"author":35234,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-242256","post","type-post","status-publish","format-standard","hentry","category-keji"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/242256"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/35234"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=242256"}],"version-history":[{"count":1,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/242256\/revisions"}],"predecessor-version":[{"id":242263,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/242256\/revisions\/242263"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=242256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=242256"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=242256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}