{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"主要论述水冷铜坩埚内的Czochralski定向凝固、电子束定向凝固、光悬浮定向凝固、整体定向凝固和电磁冷坩埚定向凝固5种定向凝固的基本原理,优缺点以及研究定向凝固Nb-Si基超高温合金所取得的进展.现阶段,基本不用Czochralski定向凝固和电子束定向凝固研究Nb-Si基超高温合金了;到目前为止,光悬浮定向凝固是制备研究Nb-Si基超高温合金的主要手段;整体定向凝固制备的Nb-Si基超高温合金的断裂韧性已达20 MPa·m1/2左右;电磁冷坩埚定向凝固制备的Nb-Si基超高温合金的高温拉伸强度已达200 MPa (1250℃).","authors":[{"authorName":"燕云程","id":"31c952ab-6fb5-4c11-8471-1e2c08db09dc","originalAuthorName":"燕云程"},{"authorName":"康永旺","id":"438e1833-d0cd-4507-9c04-feee30528430","originalAuthorName":"康永旺"},{"authorName":"宋尽霞","id":"61db188e-f5ad-4dd1-882a-bb02414d1681","originalAuthorName":"宋尽霞"},{"authorName":"丁宏升","id":"bfbab51a-5995-4a16-9e5f-5691122e342d","originalAuthorName":"丁宏升"}],"doi":"","fpage":"86","id":"184815b5-bbfc-41ee-a7fe-8130466373c1","issue":"1","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"bf4b339e-fa93-4574-a9d7-6578149148e7","keyword":"Nb-Si基超高温合金","originalKeyword":"Nb-Si基超高温合金"},{"id":"771751e6-ac63-4103-a98e-4d4c5d97bbe7","keyword":"Czochralski定向凝固","originalKeyword":"Czochralski定向凝固"},{"id":"bcd4bda2-394b-460d-9ed0-12ff913c44a1","keyword":"电子束定向凝固","originalKeyword":"电子束定向凝固"},{"id":"62ea2be5-f038-4b5f-8e4e-bf6f4c030198","keyword":"光悬浮定向凝固","originalKeyword":"光悬浮定向凝固"},{"id":"cd53c23b-97ad-47b3-905a-21dc9e6719f0","keyword":"整体定向凝固","originalKeyword":"整体定向凝固"},{"id":"abf749c2-2f7e-4a1f-80f5-79cd38d520b8","keyword":"电磁冷坩埚定向凝固","originalKeyword":"电磁冷坩埚定向凝固"}],"language":"zh","publisherId":"cldb201401018","title":"Nb-Si基超高温合金的定向凝固研究进展","volume":"28","year":"2014"},{"abstractinfo":"水平定向凝固法是制备低位错单晶体的重要方法,论述了水平定向凝固法的优点和缺点,并报道了水平定向凝固法的特点,温度分布,以及水平定向凝固法的数字模拟的方面的工作.","authors":[{"authorName":"韩杰才","id":"59631062-fd87-4203-ba0e-51679b545f4a","originalAuthorName":"韩杰才"},{"authorName":"李长青","id":"435c483d-7d73-457c-bc60-26bfcf880245","originalAuthorName":"李长青"},{"authorName":"张明福","id":"ee95895c-af81-4f3d-ad65-30e5a48e9bad","originalAuthorName":"张明福"},{"authorName":"左洪波","id":"30f3da00-876a-4ffa-99be-52aaac68e82d","originalAuthorName":"左洪波"},{"authorName":"孟松鹤","id":"9a9ae843-7649-4051-befc-a43bd48e44b4","originalAuthorName":"孟松鹤"},{"authorName":"姚泰","id":"77a579f9-05e4-4078-9817-6a993f3cb411","originalAuthorName":"姚泰"}],"doi":"","fpage":"10","id":"445bf5d8-c514-4c80-a72f-9b637845db9b","issue":"7","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"58ac4e4d-621a-421b-bd18-b642dee9e462","keyword":"水平定向凝固法单","originalKeyword":"水平定向凝固法单"},{"id":"6808b7fe-5b0b-4f45-a4bf-2495f983fa16","keyword":"晶生长","originalKeyword":"晶生长"},{"id":"ca5365b9-5d86-4e45-a0f6-b75c19b89b33","keyword":"数字模拟","originalKeyword":"数字模拟"}],"language":"zh","publisherId":"cldb200607003","title":"单晶水平定向凝固法","volume":"20","year":"2006"},{"abstractinfo":"目前Nb基超高温合金的制备主要是通过多次电孤熔炼得到成分均匀的铸锭.其定向凝固或者是在水冷铜坩埚内采用Czochralski技术进行,或者是采用不需要坩埚的悬浮区熔法实现,但这两种方法都不能得到较高的温度梯度.为了获得更好的定向凝固组织,需要在超高温超高真空定向凝固设备上进行有坩埚的整体定向凝固.结合国内外共晶自生复合材料常用的制备技术,提出了适用于铌基超高温合金整体定向凝固技术的坩埚材料及其涂层技术.","authors":[{"authorName":"武兴君","id":"de8b97d8-79eb-419f-9e4b-8cbf31589523","originalAuthorName":"武兴君"},{"authorName":"郭喜平","id":"4832fffe-d440-49a3-9924-d413134a72a6","originalAuthorName":"郭喜平"}],"doi":"","fpage":"63","id":"a622daef-ee08-4870-82c9-de089d7bd9e6","issue":"5","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"890ca8ec-42c8-4af6-8830-eda3c79fe9d4","keyword":"Nb基超高温合金","originalKeyword":"Nb基超高温合金"},{"id":"bcf53250-bb8d-4bd8-a115-c8d107b6f4c9","keyword":"定向凝固","originalKeyword":"定向凝固"},{"id":"43359dad-2280-453c-bbbd-aa008412e63c","keyword":"坩埚材料","originalKeyword":"坩埚材料"},{"id":"dd6ba311-9c9c-4a60-b2c4-44a5c5144105","keyword":"涂层","originalKeyword":"涂层"}],"language":"zh","publisherId":"cldb200605018","title":"Nb基超高温合金制备及定向凝固用坩埚的选择","volume":"20","year":"2006"},{"abstractinfo":"详细地评述了传统定向凝固技术的发展过程和存在的问题,介绍了几种新近发展起来的新型定向凝固技术,并指出了今后发展的方向.","authors":[{"authorName":"杨森","id":"4950dd79-affa-4ab1-8624-39092ce942ca","originalAuthorName":"杨森"},{"authorName":"黄卫东","id":"6c9b61f2-a4ba-44d3-8132-151f057e4c1f","originalAuthorName":"黄卫东"},{"authorName":"林鑫","id":"d3de66aa-016d-4f02-8885-99970f208304","originalAuthorName":"林鑫"},{"authorName":"周尧和","id":"0c5d5bfe-9991-4b9f-b62b-211a1c7f38c4","originalAuthorName":"周尧和"}],"doi":"10.3969/j.issn.1004-244X.2000.02.010","fpage":"44","id":"4ccc6ebf-e1c0-4f84-bbc7-5016bf5f27e7","issue":"2","journal":{"abbrevTitle":"BQCLKXYGC","coverImgSrc":"journal/img/cover/BQCLKXYGC.jpg","id":"4","issnPpub":"1004-244X","publisherId":"BQCLKXYGC","title":"兵器材料科学与工程 "},"keywords":[{"id":"e759f848-4168-4f68-9441-4db2a8cdb1b6","keyword":"定向凝固","originalKeyword":"定向凝固"},{"id":"fac5ca61-5d1e-45b7-8d83-d6bbe7962f5d","keyword":"电磁约束成形","originalKeyword":"电磁约束成形"},{"id":"70c06836-607c-4d8e-9ff3-98e719e8cc37","keyword":"深过冷","originalKeyword":"深过冷"},{"id":"056123aa-a364-4252-8437-183e52a364ef","keyword":"激光快速凝固","originalKeyword":"激光快速凝固"}],"language":"zh","publisherId":"bqclkxygc200002010","title":"定向凝固技术的研究进展","volume":"23","year":"2000"},{"abstractinfo":"讨论了YBCO高温超导体定向凝固中所涉及的包晶反应、界面稳定性及其形态控制、凝固取向和晶向控制等问题.并提出了定向凝固中应该注意的问题.","authors":[{"authorName":"李金山","id":"1b6d5b1c-637c-43da-ab3a-542e0c32c0e8","originalAuthorName":"李金山"},{"authorName":"朱丹","id":"dc810913-5269-4d78-a861-e53a1841e5ec","originalAuthorName":"朱丹"},{"authorName":"耿兴国","id":"f9ac6da5-f6db-47f8-850e-174fb5187547","originalAuthorName":"耿兴国"},{"authorName":"胡锐","id":"e78d0381-288e-4ea9-aa05-db5beb538976","originalAuthorName":"胡锐"},{"authorName":"陈忠伟","id":"06e111d8-8371-4e06-bb31-beb842bf8ac4","originalAuthorName":"陈忠伟"},{"authorName":"傅恒志","id":"43bef47a-c73c-448a-ab47-b57afd8b2784","originalAuthorName":"傅恒志"}],"doi":"","fpage":"1238","id":"9d22e432-5be6-485d-a399-348a6f075d2d","issue":"12","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":"2a81c943-b3fc-4c34-9db0-a6ad472f0fc0","keyword":"定向凝固","originalKeyword":"定向凝固"},{"id":"f106e8fb-1964-41d9-886a-b815b6ce520a","keyword":"YBCO","originalKeyword":"YBCO"},{"id":"d663ce04-3fd5-4261-8c8b-ebf7c9e6f6f1","keyword":"包晶反应","originalKeyword":"包晶反应"}],"language":"zh","publisherId":"xyjsclygc200412002","title":"高温超导YBCO的定向凝固","volume":"33","year":"2004"},{"abstractinfo":"在2000 ℃的熔体温度下,实现了Nb-Ti-Si基超高温合金的有坩埚整体定向凝固,并分析了合金定向凝固组织特征.结果表明,合金定向凝固组织分布均匀,定向生长效果显著,主要由耦合生长的层片状((Nb,Ti)ss+(Nb,X)5Si3;X=Ti,Hf)共晶团及少量横截面为六边形的(Nb,X)5Si3棒组成.与电子束区熔定向凝固及水冷铜坩埚内的Czochralski法定向凝固比较,有坩埚整体定向凝固时的轴向温度梯度更高,并且避免了区熔定向凝固时存在的固/液界面前沿熔体中的对流和集肤效应,因而合金的定向生长效果更加明显.","authors":[{"authorName":"姚成方","id":"5f949b07-aa50-4c5d-9f3f-94eee78bca33","originalAuthorName":"姚成方"},{"authorName":"郭喜平","id":"5139429c-f877-4cdd-947e-d6b83a11c77b","originalAuthorName":"郭喜平"},{"authorName":"郭海生","id":"87ae0a4e-7877-4d4e-940e-b06cd374c545","originalAuthorName":"郭海生"}],"doi":"10.3321/j.issn:0412-1961.2008.05.013","fpage":"579","id":"3958466e-994a-48a8-b23e-543692920f7d","issue":"5","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"c62aaca9-711b-469f-8a82-45d6b2cd7513","keyword":"Nb-Ti-Si基超高温合金","originalKeyword":"Nb-Ti-Si基超高温合金"},{"id":"3651f8f8-3887-4d08-9c00-951953d03b00","keyword":"有坩埚整体定向凝固","originalKeyword":"有坩埚整体定向凝固"},{"id":"247361ad-d190-431b-8e8c-b46e5b7fc5fd","keyword":"定向凝固组织","originalKeyword":"定向凝固组织"}],"language":"zh","publisherId":"jsxb200805013","title":"Nb-Ti-Si基超高温合金的有坩埚整体定向凝固组织分析","volume":"44","year":"2008"},{"abstractinfo":"用定向凝固方法在不同的生长速度下成功地制备了一批γ-TiAl定向凝固试样.通过对不同生长速率下形成的γ-TiAl金相组织观察和分析后发现:随着生长速率的增加,原先的初生稳定相β相的数量逐渐减少,亚稳相α相的数量逐渐增加;最后形成的由α2和γ组成的片层组织的片层间距λ与生长速率的V1/3近似成反比关系.","authors":[{"authorName":"许雄","id":"60feb101-b9ba-46ad-a29c-61b29c722348","originalAuthorName":"许雄"},{"authorName":"沈军","id":"ac9a0853-fc7c-4e57-a25d-667ef6716e2d","originalAuthorName":"沈军"},{"authorName":"彭桂林","id":"19674d60-30a7-4df2-b42d-e900b2fa8006","originalAuthorName":"彭桂林"},{"authorName":"郑循强","id":"84b5ea8f-ee07-4d78-b52a-a2d2c4a48664","originalAuthorName":"郑循强"},{"authorName":"丁宏升","id":"730a1b01-24d0-4c36-9901-dc4b271796e9","originalAuthorName":"丁宏升"}],"doi":"","fpage":"105","id":"8ba14b0d-5a2b-41f4-a5b0-54d0b8739a6a","issue":"6","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"b5d4c10f-cc8c-4adc-8b42-6290379cf6cf","keyword":"γ-TiAl","originalKeyword":"γ-TiAl"},{"id":"2f4f3545-3408-4e44-8b38-9be1da070467","keyword":"金属间化合物","originalKeyword":"金属间化合物"},{"id":"da2d691e-877e-48a6-a772-909e174351d3","keyword":"定向凝固","originalKeyword":"定向凝固"},{"id":"1dfbf048-f8be-4294-8c7e-bf7e8b714466","keyword":"片层间距","originalKeyword":"片层间距"}],"language":"zh","publisherId":"cldb200506030","title":"γ-TiAl基合金定向凝固特性研究","volume":"19","year":"2005"},{"abstractinfo":"在自行设计的竖直热型连铸机上,进行了连续定向凝固实验和温度测定,对其中传热和凝固过程进行了数值模拟,考察了主要工艺参数对锡铸锭表面质量和内部组织的影响,以及固液界面形状的变化规律.结果表明:型温、拉速、冷却水量等工艺参数主要是通过影响固液界面的位置、形状来影响铸锭表面和内部质量的,在本实验条件下,型温在244~248℃、拉速在1.25~2.20×10-4m/s、冷却水量在252~377L/m2·s之间时,才能获得表面光亮,内部为完整定向凝固组织的铸坯;当铸型温度高于242℃,拉速在1.25×10-4~3.4×10-4m/s之间时,形成较平的固液界面,得到定向凝固的铸锭组织;获得了固液界面形状与主要工艺参数间的关系式.","authors":[{"authorName":"安金敏","id":"317b6478-92f3-4716-8d2b-a2a3efe2f8e6","originalAuthorName":"安金敏"},{"authorName":"任忠鸣","id":"8b860d51-cd1e-47cc-b791-e4384bea93bc","originalAuthorName":"任忠鸣"},{"authorName":"李伟轩","id":"5d533f16-bb18-44b8-bc92-13b177f8ab19","originalAuthorName":"李伟轩"},{"authorName":"钟云波","id":"931b92d7-b964-492a-b1e7-d29c4ba55500","originalAuthorName":"钟云波"},{"authorName":"雷作胜","id":"e513a298-29e8-4b5d-a754-5e1ea43fa3c5","originalAuthorName":"雷作胜"},{"authorName":"邓康","id":"c6d78a9c-e3d1-4944-bc6b-f488a009701a","originalAuthorName":"邓康"}],"doi":"10.3969/j.issn.1001-7208.2005.06.005","fpage":"19","id":"3e8680c8-1a60-4d11-aadb-7bdaea76cf1f","issue":"6","journal":{"abbrevTitle":"SHJS","coverImgSrc":"journal/img/cover/SHJS.jpg","id":"59","issnPpub":"1001-7208","publisherId":"SHJS","title":"上海金属"},"keywords":[{"id":"323d528a-2d2d-469a-b656-5fd3c7437dfe","keyword":"定向凝固","originalKeyword":"定向凝固"},{"id":"2dcbe163-c989-4a52-9e08-a2507639dc55","keyword":"竖直热型连铸","originalKeyword":"竖直热型连铸"},{"id":"ccfdf787-4f51-44cf-8ef1-5464604e7ac3","keyword":"温度场","originalKeyword":"温度场"},{"id":"febaf8f1-5d17-4992-bc19-f138d38063fa","keyword":"数值模拟","originalKeyword":"数值模拟"},{"id":"1e6363ba-276c-4dc6-9070-cadb14d1fdb1","keyword":"锡锭表面质量","originalKeyword":"锡锭表面质量"},{"id":"7d968c9e-889f-402a-8a42-d61550e7c884","keyword":"晶体组织","originalKeyword":"晶体组织"}],"language":"zh","publisherId":"shjs200506005","title":"连续定向凝固技术研究","volume":"27","year":"2005"},{"abstractinfo":"定向凝固技术是制备具有单一取向要求的凝固组织和高性能材料的重要方法,是研究凝固理论和新型材料的重要手段.在介绍定向凝固技术原理的基础上,评述了传统定向凝固技术的发展及存在的弊端,简述了几种新型定向凝固技术,以及它们在制备新材料中的应用.","authors":[{"authorName":"问亚岗","id":"ffe3bb9c-350d-4780-ad78-675c1c7dba31","originalAuthorName":"问亚岗"},{"authorName":"崔春娟","id":"4b41d06c-6369-4aa6-94d4-f3bfe564c9fe","originalAuthorName":"崔春娟"},{"authorName":"田露露","id":"e8e71566-ff78-46c6-bed2-22905c28d931","originalAuthorName":"田露露"},{"authorName":"杨猛","id":"74a8f40e-76ae-4ea2-9b52-9f33dbe2f67d","originalAuthorName":"杨猛"},{"authorName":"薛添","id":"6b1a5bf6-1059-4ca3-8e9b-4c8a37e38d48","originalAuthorName":"薛添"}],"doi":"10.11896/j.issn.1005-023X.2016.03.022","fpage":"116","id":"7db68b76-1d49-43c2-b2a7-a1699e6c060f","issue":"3","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"39e5c91a-cb13-404c-a9fc-a41822b4d5f1","keyword":"定向凝固","originalKeyword":"定向凝固"},{"id":"17661fc7-2c3a-4454-baaf-806d3b3f823f","keyword":"温度梯度","originalKeyword":"温度梯度"},{"id":"16671744-fca6-4a68-8e98-8b28ef2a763d","keyword":"凝固组织","originalKeyword":"凝固组织"},{"id":"4cc1c01b-0316-4e70-a40c-be160e7c4e5d","keyword":"凝固速率","originalKeyword":"凝固速率"},{"id":"49191fef-efa5-4902-940b-a862fb376f8f","keyword":"冷却速率","originalKeyword":"冷却速率"}],"language":"zh","publisherId":"cldb201603022","title":"定向凝固技术的研究进展与应用","volume":"30","year":"2016"},{"abstractinfo":"介绍了定向凝固合金和单晶合金的基本特性及其损伤特征,讨论了定向凝固合金和单晶合金叶片工程应用中的突出问题-再结晶的产生、危害及其预防控制的技术途径,提出了在定向凝固合金和单晶合金工程应用中值得重视和解决的基本问题.","authors":[{"authorName":"陶春虎","id":"e3fb29f2-986b-47e0-a9b2-74dde5ea2560","originalAuthorName":"陶春虎"},{"authorName":"颜鸣皋","id":"563f5401-2670-4cf4-a6a9-eb06f89aa19d","originalAuthorName":"颜鸣皋"},{"authorName":"张卫方","id":"541da9cb-0a03-4055-bb2c-c391287b808c","originalAuthorName":"张卫方"},{"authorName":"孙传棋","id":"40676459-6cf8-4b42-9962-94df45422266","originalAuthorName":"孙传棋"}],"doi":"10.3969/j.issn.1001-4381.2003.z1.004","fpage":"15","id":"7ac822d6-fe78-4b6a-8c95-fc7e84cb1ec6","issue":"z1","journal":{"abbrevTitle":"CLGC","coverImgSrc":"journal/img/cover/CLGC.jpg","id":"9","issnPpub":"1001-4381","publisherId":"CLGC","title":"材料工程"},"keywords":[{"id":"10b75bf3-c9a0-4c48-a9e3-c605e84a23d5","keyword":"定向凝固合金","originalKeyword":"定向凝固合金"},{"id":"4120e503-23f1-4092-a283-07c4172e03a2","keyword":"单晶合金","originalKeyword":"单晶合金"},{"id":"4874a87d-3abf-4ca0-b11c-b557548b6979","keyword":"损伤特征","originalKeyword":"损伤特征"},{"id":"d2f845ec-b1a7-4dc0-9222-5299bc38f36d","keyword":"再结晶","originalKeyword":"再结晶"},{"id":"bd0123a5-17db-43c4-818c-f151667f52d5","keyword":"失效预防","originalKeyword":"失效预防"}],"language":"zh","publisherId":"clgc2003z1004","title":"定向凝固和单晶叶片的损伤与预防","volume":"","year":"2003"}],"totalpage":507,"totalrecord":5065}