{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"在自增韧Si3N4陶瓷的烧结过程中,添加作为晶种的长柱状β-Si3N4单晶体对于改善陶瓷的强度和韧性是非常有效的。本研究旨在制备出长柱状β-Si3N4单晶体,并对其尺寸和形貌进行有效的控制。通过对87.3wt%α-Si3N4+8.3wt%Y2O3+4.4wt%SiO2体系进行气压烧结,经去除掉玻璃相等漂洗工艺后,制得β-Si3N4单晶体,其直径为1~2μm、长度为4~6μm。同时对不同烧结工艺下制得的β-Si3N4单晶体的尺寸和工艺参数的关系进行了研究。","authors":[{"authorName":"许兴利","id":"c0d45dd1-2249-416e-a793-6a1b7666057a","originalAuthorName":"许兴利"},{"authorName":"周龙捷","id":"99b83299-f725-4733-913d-694e8a3896fd","originalAuthorName":"周龙捷"},{"authorName":"马利国","id":"95e3b803-4f9f-420f-b21e-2bde513fa854","originalAuthorName":"马利国"},{"authorName":"代建清","id":"f316ec41-cf97-4c4c-ba1d-1811b40eb61f","originalAuthorName":"代建清"},{"authorName":"黄勇","id":"2b0ea491-3820-4b10-b462-f721dca5ed22","originalAuthorName":"黄勇"},{"authorName":"谢志鹏","id":"1a501417-1849-4660-9d53-9f48b2c6c05d","originalAuthorName":"谢志鹏"}],"doi":"10.3969/j.issn.1001-4381.2001.02.005","fpage":"17","id":"14ce3206-0bf1-40a1-9e05-15e8c92670da","issue":"2","journal":{"abbrevTitle":"CLGC","coverImgSrc":"journal/img/cover/CLGC.jpg","id":"9","issnPpub":"1001-4381","publisherId":"CLGC","title":"材料工程"},"keywords":[{"id":"d45b466c-bff5-488d-9bf0-727b82b24e1a","keyword":"长柱状","originalKeyword":"长柱状"},{"id":"026490d6-55aa-48c1-bd10-12fd147290df","keyword":"β-Si3N4单晶","originalKeyword":"β-Si3N4单晶"},{"id":"4996f11a-4d1f-4226-985b-a34817b3bbc8","keyword":"制备","originalKeyword":"制备"}],"language":"zh","publisherId":"clgc200102005","title":"β-Si3N4单晶体的制备","volume":"","year":"2001"},{"abstractinfo":"简要介绍了长柱状α-Sialon晶粒的形成机理,并讨论了不同组分点、添加荆、原料及温度制度等因素对形成长柱状α-Sialon晶粒的影响.结果表明,合理的晶核数目、充足的液相和适当的温度制度是得到长柱状α-Sialon晶粒不可缺少的条件.","authors":[{"authorName":"桑绍柏","id":"9646f58b-1dac-40aa-931c-1338c7d39e13","originalAuthorName":"桑绍柏"},{"authorName":"李亚伟","id":"526dd629-9b42-4931-a41e-a62e813385f9","originalAuthorName":"李亚伟"},{"authorName":"李楠","id":"bda3f1bd-9f5a-4075-b96c-ed43bffa8c63","originalAuthorName":"李楠"}],"doi":"","fpage":"358","id":"8902e6ba-9a88-4db8-9cf9-33c474b21827","issue":"z2","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"ab057fbd-0cdf-4f16-b414-6beefd0d0e58","keyword":"α-Sialon","originalKeyword":"α-Sialon"},{"id":"0a18ae1b-35e0-43f5-b67b-5d85b7c0a8bf","keyword":"柱状晶","originalKeyword":"柱状晶"},{"id":"df1ed2eb-b5c0-431c-aa03-28fee87392d0","keyword":"非均匀成核","originalKeyword":"非均匀成核"},{"id":"d969ad15-b51f-488c-a27f-6fb036064a8d","keyword":"外延生长","originalKeyword":"外延生长"}],"language":"zh","publisherId":"cldb2004z2110","title":"长柱状α-Sialon形成机理及其影响因素","volume":"18","year":"2004"},{"abstractinfo":"针对一般氧化铝陶瓷材料断裂韧性差的缺点,通过球磨的方法向初始原料氢氧化铝中添加晶种,并采用热压烧结方式,使氧化铝生长成长柱状晶粒结构,产生了明显的增韧效果,使这种氧化铝瓷体的断裂韧性比一般氧化铝陶瓷材料提高一倍以上,可达到6.70MPa@m1/2.对几种不同烧结温度下烧结的瓷体进行了显微结构分析和力学性能测试,研究了长柱状氧化铝晶粒的生长过程及力学性能变化特点.","authors":[{"authorName":"刘彤","id":"8c4c0852-2ea3-44da-adf5-f0471116fae3","originalAuthorName":"刘彤"},{"authorName":"谢志鹏","id":"ec3069a5-269c-4e3b-a4dd-01148e434ce9","originalAuthorName":"谢志鹏"},{"authorName":"陆继伟","id":"0553e044-56f5-4216-bb11-f8f3fcb9472a","originalAuthorName":"陆继伟"},{"authorName":"黄勇","id":"862ee0bf-68c7-4e8b-bd15-51ca1664bc1c","originalAuthorName":"黄勇"}],"doi":"10.3969/j.issn.1001-4381.2001.08.004","fpage":"14","id":"6d684163-e0f0-4406-82f4-1496a853bfd5","issue":"8","journal":{"abbrevTitle":"CLGC","coverImgSrc":"journal/img/cover/CLGC.jpg","id":"9","issnPpub":"1001-4381","publisherId":"CLGC","title":"材料工程"},"keywords":[{"id":"de7d7384-fe17-49d1-86f8-149624b39b16","keyword":"氧化铝","originalKeyword":"氧化铝"},{"id":"d5063819-92a9-4a89-a8d8-71a62e70b1a5","keyword":"长柱状晶","originalKeyword":"长柱状晶"},{"id":"690d7451-c92f-4ed1-9edd-7bd4013d224a","keyword":"断裂韧性","originalKeyword":"断裂韧性"}],"language":"zh","publisherId":"clgc200108004","title":"长柱状晶高韧性氧化铝陶瓷的制备与性能研究","volume":"","year":"2001"},{"abstractinfo":"通过添加单一稀土氧化物CeO2,Nd2O3,Eu2O3,Yb2O3和MgO烧结制得长柱状β-Si3N4晶种以用于增韧适合应用于轧辊的氮化硅陶瓷.X射线衍射(XRD)分析表明,这5种添加剂都能有效促进氮化硅从α相到β相的转变;扫描电镜(SEM)分析表明,4种稀土氧化物所制备的晶种其形貌完整性和表观长径比优于MgO添加剂所制备的晶种,而添加离子半径相对较小的Eu2O3和Yb2O3所得β-Si3N4晶种形貌完整性和表观长径比又要优于添加离子半径相对较大的CeO2和Nd2O3,其表观长径比分别为5.33和5.14.","authors":[{"authorName":"郭钢锋","id":"2613af64-d4dd-44b7-a2ac-e569a5a8a299","originalAuthorName":"郭钢锋"},{"authorName":"杨晓战","id":"efd065cb-9b59-4188-89e7-cd1cbdf6f7b0","originalAuthorName":"杨晓战"},{"authorName":"李建保","id":"eeeb3001-2ede-442f-8d1c-54b533e2bbf0","originalAuthorName":"李建保"},{"authorName":"梁龙","id":"a2463ec5-574e-48b0-9ee2-381ccca17a14","originalAuthorName":"梁龙"},{"authorName":"王宁","id":"770c582a-f6d0-4df4-be55-05b8caba1fdf","originalAuthorName":"王宁"},{"authorName":"冯万栋","id":"baa1cdc9-8127-4559-960e-3deb2d5133a7","originalAuthorName":"冯万栋"}],"doi":"","fpage":"249","id":"aba1fe3b-2969-4429-b0d0-9cfa8ecf91e1","issue":"z1","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"2fdb5943-febc-495f-8eb6-f953a5053c57","keyword":"轧辊","originalKeyword":"轧辊"},{"id":"50c6d03a-fc35-48ff-a246-48f553f4292a","keyword":"氮化硅陶瓷","originalKeyword":"氮化硅陶瓷"},{"id":"e5808e07-3913-4432-86f0-e2bed1d76645","keyword":"β-Si3N4晶种","originalKeyword":"β-Si3N4晶种"},{"id":"bc82417f-24c8-4d99-85e4-d6e155970aed","keyword":"添加剂","originalKeyword":"添加剂"},{"id":"20385407-4b2e-4e57-9865-e79f316aa48b","keyword":"稀土氧化物","originalKeyword":"稀土氧化物"}],"language":"zh","publisherId":"xyjsclygc2005z1070","title":"单一添加剂对制备长柱状β-Si3N4的影响","volume":"34","year":"2005"},{"abstractinfo":"用SiC晶须和长柱状β-Si3N4对Si3N4/BN层状材料的基体层和分隔层进行了强化。轧膜工艺对SiC晶须和原料中存在的少量β-Si3N4晶粒有一定的定向作用,而基体层中定向分布的SiC晶须和长柱状的β-Si3N4晶粒对基体层的强韧化作用类似于块体材料,其抗弯强度和断裂韧性的提高幅度都大于50%;分隔层中β-Si3N4的定向度较差,但这有利于形成网状结构,在分隔层中起到骨架的作用,同时还可以增加裂纹的扩展长度,改善分隔层与基体层的界面结合状态。最终得到性能最佳的材料的成分为Si3N4+20wt%SiC晶须(基体层),BN+15vol%β-Si3N4(分隔层),其断裂功可达4820J/m2,抗弯强度仍可保持在650MPa。","authors":[{"authorName":"昝青峰","id":"ee0271bb-7da8-4035-879b-f71e6d0a135a","originalAuthorName":"昝青峰"},{"authorName":"黄勇","id":"b5870b8a-18a3-4e81-8ca4-e1ca9c444ca8","originalAuthorName":"黄勇"},{"authorName":"汪长安","id":"377466d3-436d-4be7-9db8-c3498853353f","originalAuthorName":"汪长安"},{"authorName":"李淑琴","id":"305711fc-d445-491e-9e50-927dcac95f20","originalAuthorName":"李淑琴"},{"authorName":"李翠伟","id":"a2130927-90c9-4383-8b86-3e94cef7b81b","originalAuthorName":"李翠伟"}],"doi":"10.3969/j.issn.1001-4381.2001.05.006","fpage":"22","id":"00f55fa9-8056-4861-a97e-b48ddfc080c9","issue":"5","journal":{"abbrevTitle":"CLGC","coverImgSrc":"journal/img/cover/CLGC.jpg","id":"9","issnPpub":"1001-4381","publisherId":"CLGC","title":"材料工程"},"keywords":[{"id":"171537a5-4b63-41c2-8f41-116b62fa87d1","keyword":"层状材料","originalKeyword":"层状材料"},{"id":"166768ee-d07d-463c-aeb4-e4a3fa03b012","keyword":"SiC晶须","originalKeyword":"SiC晶须"},{"id":"48854558-d56f-4992-bcde-dc3df88e125f","keyword":"长柱状β-Si3N4","originalKeyword":"长柱状β-Si3N4"},{"id":"f08a8438-1506-4c04-a06a-c995024c44fd","keyword":"分隔层","originalKeyword":"分隔层"}],"language":"zh","publisherId":"clgc200105006","title":"长柱状β-Si3N4晶粒与SiC晶须在层状Si3N4/BN复合材料中的作用","volume":"","year":"2001"},{"abstractinfo":"自然界中很多动物,如壁虎、甲虫和树蛙等,主要利用可逆的黏附力在各种表面爬行.研究发现这些动物脚趾上的特殊微纳柱状结构(刚毛、平滑结构等)起到了至关重要的作用.一方面,这些微纳柱状结构及其精细亚结构保证了动物脚趾能与接触表面形成很多有效接触点,从而形成足够强的黏附力.产生的黏附力甚至可达动物体重的200倍.另一方面,这些微纳结构又可以保证动物能从黏附的表面迅速脱离.这种黏附能力依赖于结构而非接触材料的表面化学组成的特性,具有极高的科研价值和应用前景.","authors":[{"authorName":"汪鑫","id":"460719df-9bc6-42ec-a92e-598f11e9d532","originalAuthorName":"汪鑫"},{"authorName":"李倩","id":"b493ea53-9585-4656-b288-2ca2816e3906","originalAuthorName":"李倩"},{"authorName":"薛龙建","id":"4d8619c3-38aa-4e15-bac3-dca931ebc53a","originalAuthorName":"薛龙建"}],"doi":"10.7502/j.issn.1674-3962.2017.01.07","fpage":"48","id":"a6783610-c711-404d-9c5c-40b5235ef582","issue":"1","journal":{"abbrevTitle":"ZGCLJZ","coverImgSrc":"journal/img/cover/中国材料进展.jpg","id":"80","issnPpub":"1674-3962","publisherId":"ZGCLJZ","title":"中国材料进展"},"keywords":[{"id":"964a6765-fbd9-4dbb-824f-208d9cee0622","keyword":"仿生材料","originalKeyword":"仿生材料"},{"id":"ea986889-6ab8-4b4d-b6f4-ab9a01ade988","keyword":"干态黏附","originalKeyword":"干态黏附"},{"id":"66fdd4e0-3e40-4692-8ce7-e501ffe67c4a","keyword":"湿态黏附","originalKeyword":"湿态黏附"},{"id":"f7533d7e-c677-4824-89de-25c49e1383b6","keyword":"摩擦","originalKeyword":"摩擦"},{"id":"6cefa5ad-6569-432b-8a54-ae98b76de01f","keyword":"柱状阵列","originalKeyword":"柱状阵列"},{"id":"44c2f90d-1e10-4d0c-8023-92d2253896e8","keyword":"聚合物","originalKeyword":"聚合物"},{"id":"9d511aed-065c-43a9-9545-d602358b5776","keyword":"壁虎","originalKeyword":"壁虎"}],"language":"zh","publisherId":"zgcljz201701007","title":"仿生柱状黏附材料","volume":"36","year":"2017"},{"abstractinfo":"研究了α-Sialon柱状晶制备过程.结果表明,α-Sialon柱状晶可以通过无压烧结和酸洗的方法制备得到.α-Sialon柱状晶形貌与添加剂种类有关,选用轻稀土氧化物为添加剂制得的α-Sialon柱状晶具有较小的直径和较大的长径比,而选用重稀土氧化物为添加剂的α-Sialon柱状晶的直径较大,长径比较小.文中就添加剂种类对α-Sialon柱状晶形貌的影响进行了讨论.","authors":[{"authorName":"黄清伟","id":"6cca7f91-b8f5-4652-8e33-3958d97b2e8c","originalAuthorName":"黄清伟"},{"authorName":"王佩玲","id":"0f144859-40c0-4120-8a51-7176d0941c41","originalAuthorName":"王佩玲"},{"authorName":"程一兵","id":"58c414f6-b152-4695-899b-dff67fed52c6","originalAuthorName":"程一兵"},{"authorName":"严东生","id":"506dfe4f-742f-42cf-9cf1-63c8b6ca44ec","originalAuthorName":"严东生"}],"doi":"10.3321/j.issn:1000-324X.2002.01.006","fpage":"35","id":"47e3f3db-12ea-4293-92a4-345043f4b858","issue":"1","journal":{"abbrevTitle":"WJCLXB","coverImgSrc":"journal/img/cover/WJCLXB.jpg","id":"62","issnPpub":"1000-324X","publisherId":"WJCLXB","title":"无机材料学报"},"keywords":[{"id":"42fc1de4-5751-4326-b1f3-3140c2697459","keyword":"柱状晶","originalKeyword":"柱状晶"},{"id":"4d576767-8b7f-4489-a220-d16419797ff6","keyword":"α-Sialon","originalKeyword":"α-Sialon"},{"id":"5667de44-efa3-4df9-931d-65678197fd14","keyword":"氮陶瓷","originalKeyword":"氮陶瓷"}],"language":"zh","publisherId":"wjclxb200201006","title":"α-Sialon柱状晶的制备","volume":"17","year":"2002"},{"abstractinfo":"实验合成了六方柱状MgAl2O4纤维,长径比为100~200,这是文献中报道较少的尖晶石MgAl2O4晶体新形态.结合物相分析和微观形貌观察,推测尖晶石MgAl2O4纤维主要依照孪晶机制作用下VLS机理(同时存在有VS机理)发育成六方横截面长柱状纤维,并伴有扭结和分叉等现象.","authors":[{"authorName":"杨道媛","id":"0f29152b-c576-4f0a-bc7b-4f9b80c37666","originalAuthorName":"杨道媛"},{"authorName":"贾晓林","id":"3d217222-88ec-4a8d-a150-98d096270b97","originalAuthorName":"贾晓林"},{"authorName":"郭新荣","id":"f81a5a40-f16b-4629-b95a-4633745c1530","originalAuthorName":"郭新荣"},{"authorName":"张海军","id":"31dc3c57-7df3-41cc-b1ed-f42327bf519a","originalAuthorName":"张海军"},{"authorName":"孙加林","id":"e810568c-19e6-409d-bbfd-f17054362bc6","originalAuthorName":"孙加林"},{"authorName":"钟香崇","id":"d09b83f5-d387-4ebf-bd72-89bd629be651","originalAuthorName":"钟香崇"}],"doi":"","fpage":"311","id":"dbc59c01-caa7-4e28-8c69-7d40a13a6782","issue":"z1","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"b7c18846-f096-4bcc-a494-cfc070ed76ed","keyword":"MgAl2O4纤维","originalKeyword":"MgAl2O4纤维"},{"id":"43034180-aa89-4ace-afa8-748d9197a019","keyword":"六方柱","originalKeyword":"六方柱"},{"id":"c2d09254-df9f-4cad-8b5f-8ed1f9a520b7","keyword":"物相组成","originalKeyword":"物相组成"},{"id":"899935ec-8ec6-416e-8921-0212b9919a72","keyword":"显微结构","originalKeyword":"显微结构"},{"id":"6fd6eb57-1e18-4641-89d3-8ede814d07e6","keyword":"合成机理","originalKeyword":"合成机理"}],"language":"zh","publisherId":"cldb2004z1107","title":"六方柱状MgAl2O4纤维的合成机理初探","volume":"18","year":"2004"},{"abstractinfo":"通过对基于柱状粒子振荡频率ω而建立的粒子受力方程和力矩公式修正,得到粒子在静水中沉降的控制方程.用该方程求解长径比在0.1~10范围内沿轴向和垂直轴向运动的粒子的Stokes沉降速度,以及任意初始倾角高频振荡粒子沉降速度和倾角随时间的变化.所得结果与实验数据吻合较好.","authors":[{"authorName":"林建忠","id":"c121af13-a1d7-48b6-a8e9-785d1ffe0a64","originalAuthorName":"林建忠"},{"authorName":"王巍雄","id":"769bb7c5-904e-4c39-bae7-5481a3fdca9d","originalAuthorName":"王巍雄"}],"doi":"","fpage":"631","id":"0b8978ba-3976-483d-929d-be25ab5789fa","issue":"5","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"61bba89c-7ddb-4af7-81c1-ab5854f8bdea","keyword":"柱状粒子","originalKeyword":"柱状粒子"},{"id":"ca1248e5-e016-4d0d-9dc8-56945b99741f","keyword":"沉降","originalKeyword":"沉降"},{"id":"1556dc87-5466-4149-891b-98596f0bb37f","keyword":"数值模拟","originalKeyword":"数值模拟"}],"language":"zh","publisherId":"gcrwlxb200205030","title":"柱状粒子沉降的数值模拟","volume":"23","year":"2002"},{"abstractinfo":"Fe-3%Si电工钢铸锭中普遍存在柱状晶,其晶体学及形状各向异性对随后的热轧、冷轧及退火织构产生很大的影响.利用XRD与EBSD技术对长轴分别平行于轧面法向(ND),轧制方向(RD)和横向(TD)的柱状晶冷轧样品的织构及组织进行了研究,并对晶界的特殊作用进行了分析.结果表明,中等压下量下,3种柱状晶样品具有不同程度的{001}织构遗传性,即3种样品均不同程度的摆脱了{111}线织构的形成;柱状晶长轴平行子ND和TD时,{001}取向在冷轧时得到大的保留:柱状晶长轴平行于RD时,得到最强的{111}<112>织构;柱状晶长轴平行于TD时,冷轧组织中旋转立方织构及{111}<110>织构较强.此外,3种样品的织构均表现出由立方→{001}<130>→{113}<251>的过渡路径,与等轴多晶样品沿α线和γ线转动的路径不同.不同方向的柱状晶晶界对冷轧变形过程中晶粒转动的作用不同,但因晶粒尺寸大而作用有限,且与初始取向相关.","authors":[{"authorName":"张宁","id":"ac88eeb0-3783-46f5-874f-3b78e274aaf2","originalAuthorName":"张宁"},{"authorName":"杨平","id":"1c6a00bf-1423-4072-a226-b30c28dfb6dd","originalAuthorName":"杨平"},{"authorName":"毛卫民","id":"f848d624-44b5-4a91-919a-805af19bb9b4","originalAuthorName":"毛卫民"}],"doi":"10.3724/SP.J.1037.2011.00659","fpage":"782","id":"bfb1ad8d-69b8-45a9-bbda-4126f821a7c2","issue":"7","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"e1e38240-389f-42f6-af96-25fdbf26c6ea","keyword":"电工钢","originalKeyword":"电工钢"},{"id":"4251dc26-047c-4791-b29b-67ec4543ba9e","keyword":"柱状晶","originalKeyword":"柱状晶"},{"id":"99070ec8-a974-4ac3-91c7-72c5e1a83359","keyword":"织构","originalKeyword":"织构"},{"id":"45d59a88-89a9-473b-b06e-f7f21c24d879","keyword":"冷轧","originalKeyword":"冷轧"}],"language":"zh","publisherId":"jsxb201207003","title":"柱状晶对Fe-3%Si电工钢冷轧织构演变规律的影响","volume":"48","year":"2012"}],"totalpage":441,"totalrecord":4402}