鏃犳満鏉愭枡瀛︽姤-鏍忕洰: 鐮旂┒蹇姤 鏍忕洰: 鐮旂┒蹇姤 http://www.jim.org.cn zh-cn http://www.jim.org.cn/CN/1000-324X/current.shtml http://www.jim.org.cn 1000-324X <![CDATA[閲囩敤瀹氬悜SiC绾崇背绾跨儳缁撳埗澶囬珮寮哄瀛擲iC闄剁摲]]> http://www.jim.org.cn/CN/10.15541/jim20200265 鍒╃敤鐩存帴澧ㄦ按鎵撳嵃鏂规硶鍒跺浜嗙敱瀹氬悜SiC绾崇背绾夸氦閿欏彔灞傜粍鎴愮殑鍏峰缃戠粶鐘跺瓟闅欑粨鏋勭殑楂樺己SiC澶氬瓟闄剁摲銆傚埗澶囩殑纰冲寲纭呭瀛旈櫠鐡峰叿鏈夐珮鐨勯�氬瓟缁撴瀯鍜屽畬鍏ㄧ敱瀹氬悜SiC绾崇背绾跨粍瑁呰�屾垚鐨勭粨鏋勭壒寰併�傜爺绌朵簡鐑х粨娓╁害瀵瑰畾鍚慡iC绾崇背绾垮瀛旈櫠鐡风殑寰缁撴瀯銆佺浉缁勬垚婕斿彉鍙婂姏瀛︽�ц兘鐨勫奖鍝嶃�傜爺绌剁粨鏋滆〃鏄�: 鐑х粨娓╁害浣庝簬1900 鈩冩椂, SiC绾崇背绾胯兘淇濇寔楂橀暱寰勬瘮; 1850 鈩冪儳缁撳埗澶囩殑瀹氬悜SiCNWs澶氬瓟闄剁摲鐨勫瘑搴︺�佹皵瀛旂巼鍜屼腑浣嶅瓟寰勫垎鍒负1.49 g/cm3銆�54.6%鍜寏1 渭m銆傚緱鐩婁簬SiC绾崇背绾跨殑楂樺己搴︿互鍙婂彇鍚戞帓甯�, SiC绾崇背绾垮瀛旈櫠鐡风殑鍘嬬缉寮哄害楂樿揪(245.5卤0.7) MPa銆�

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<![CDATA[娣诲姞BaTiO<sub>3</sub>鐨勭儹鍘嬬儳缁揝i<sub>3</sub>N<sub>4</sub>闄剁摲鐨勫姏瀛﹀拰浠嬬數鎬ц兘]]> http://www.jim.org.cn/CN/10.15541/jim20200211 鏈爺绌朵互Al2O3鍜孨d2O3涓虹儳缁撳姪鍓�, 閲囩敤鐑帇鐑х粨娉曞埗澶嘢i3N4闄剁摲, 绯荤粺鐮旂┒浜嗘坊鍔燘aTiO3瀵筍i3N4闄剁摲鍔涘鍜屼粙鐢垫�ц兘鐨勫奖鍝嶃�傜爺绌剁粨鏋滆〃鏄�, 闅忕潃BaTiO3鍚噺鐨勫鍔�, 鐩稿瀵嗗害銆佹姉寮己搴﹀拰缁存皬纭害閮介殢涔嬮檷浣�, 鑰屾柇瑁傞煣鎬ф湁鎵�鍗囬珮; 鍗充娇娣诲姞5wt%~20wt%鐨凚aTiO3, Si3N4闄剁摲鐨勬姉寮己搴︿緷鐒跺彲浠ヤ繚鎸佸湪600 MPa浠ヤ笂銆係i3N4闄剁摲鐨勪粙鐢靛父鏁板彲浠ユ彁楂樺埌9.26~11.50, 鑰屼粙鐢垫崯鑰椾繚鎸佸湪10-3閲忕骇銆傚湪Si3N4闄剁摲涓湭妫�娴嬪埌BaTiO3缁撴櫠鐩�, 鍙互璁や负Si3N4闄剁摲浠嬬數甯告暟鐨勬彁楂樹富瑕佹潵婧愪簬鐑х粨杩囩▼涓舰鎴愮殑TiN銆傝繖浜涚粨鏋滄湁鍔╀簬鎷撳睍Si3N4闄剁摲鐨勫簲鐢ㄩ鍩熴��

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