金属学报, 2003, 39(2): 140-144.
垂直定向凝固条件下通道偏析形成过程的数值模拟
清华大学机械工程系
北京 100084
刘德山","id":"406cb952-c7e9-426a-aee6-6f527cbd3ac9","originalAuthorName":"刘德山"}],"doi":"","fpage":"58","id":"1a740b1a-601d-41d8-a507-19d357f74b9e","issue":"4","journal":{"abbrevTitle":"GFZCLKXYGC","coverImgSrc":"journal/img/cover/GFZCLKXYGC.jpg","id":"31","issnPpub":"1000-7555","publisherId":"GFZCLKXYGC","title":"高分子材料科学与工程"},"keywords":[{"id":"e986a032-e500-4bba-8a02-466291cab53d","keyword":"交联剂","originalKeyword":"交联剂"},{"id":"865c702c-13a5-4bed-a023-37d85dee3724","keyword":"苯乙烯","originalKeyword":"苯乙烯"},{"id":"803c59ce-39f2-47fb-8f96-27a11fd45379","keyword":"种子乳液聚合","originalKeyword":"种子乳液聚合"},{"id":"97bbb56e-84b7-4108-8fa2-1448f423d596","keyword":"多孔乳胶粒","originalKeyword":"多孔乳胶粒"}],"language":"zh","publisherId":"gfzclkxygc200004016","title":"交联剂对乳胶粒成孔的影响","volume":"16","year":"2000"},{"abstractinfo":"采用半连续法制备了稳定的有机硅-苯丙乳液,研究了软硬单体配比和有机硅单体含量对共聚物玻璃化转变温度(Tg)和乳液最低成膜温度(MFT)的影响;并选用3种成膜助剂(TXL、DPD和二乙二醇二乙醚)分别考察了成膜助剂的种类和用量对乳液产品MFT的影响.结果表明,共聚物Tg和乳液的MFT呈较好的线性关系,该乳液体系MFT/Tg约为0.97;乳液产品的MFT随成膜助剂用量的增加而大幅降低,其中二乙二醇二乙醚的效果最好.","authors":[{"authorName":"杜奕","id":"880bc161-db46-4d08-8c73-8a6e38aac09c","originalAuthorName":"杜奕"},{"authorName":"袁志","id":"a49482fe-a12f-45ff-97f2-56f4d1c028be","originalAuthorName":"袁志"},{"authorName":"阚成友","id":"d53feca4-38f4-48b3-b40c-0bef290bff0b","originalAuthorName":"阚成友"},{"authorName":"刘德山","id":"753c9c5b-a28d-49b1-9c02-51a0551d2cca","originalAuthorName":"刘德山"}],"doi":"10.3969/j.issn.0253-4312.2004.05.011","fpage":"35","id":"366091e0-abfc-45c3-a989-904fc1f4f7a3","issue":"5","journal":{"abbrevTitle":"TLGY","coverImgSrc":"journal/img/cover/TLGY.jpg","id":"61","issnPpub":"0253-4312","publisherId":"TLGY","title":"涂料工业 "},"keywords":[{"id":"ee84dc93-f92b-4abc-b41b-d761e117ecd3","keyword":"有机硅-苯丙乳液","originalKeyword":"有机硅-苯丙乳液"},{"id":"9975aa17-19ce-4194-b217-a015c8dc338c","keyword":"成膜助剂","originalKeyword":"成膜助剂"},{"id":"55774d6f-b6b4-4031-aece-0b7f3faccf6f","keyword":"玻璃化温度","originalKeyword":"玻璃化温度"},{"id":"4b7b3280-bf4d-4729-9811-33d4ccee9ad7","keyword":"最低成膜温度","originalKeyword":"最低成膜温度"},{"id":"c608fadf-eb0d-4280-8d90-1eb68dee49d7","keyword":"半连续法","originalKeyword":"半连续法"}],"language":"zh","publisherId":"tlgy200405011","title":"有机硅-苯丙乳液最低成膜温度的研究","volume":"34","year":"2004"},{"abstractinfo":"利用模压成型方法制备了氮化铝(AIN)和液晶聚酯(LCPE,PET/60PHB)的复合基板材料,研究了影响基板材料导热系数、线膨胀系数、介电性能和力学性能的因素.实验结果表明,在复合材料中AIN的用量是影响复合材料上述各种物理性能的关键;对氮化铝粉的处理和改善AIN与聚合物之间的两相界面,则是进一步提高复合材料热物理性能和力学性能的重要环节.填加85%(质量)的AIN的液晶聚酯复合基板材料其导热系数可以达到80 W/m.K以上,线膨胀系数可以控制在10-6数量级.","authors":[{"authorName":"张猛","id":"d5ed4857-c500-4982-8991-0ec7104d7065","originalAuthorName":"张猛"},{"authorName":"高彦芳","id":"e64dc141-ada8-4da1-9824-a4caecc1fc10","originalAuthorName":"高彦芳"},{"authorName":"范奎城","id":"6062d033-bcd1-4d7f-b39a-8a874ac547df","originalAuthorName":"范奎城"},{"authorName":"周其庠","id":"45d974ee-459c-4d95-aa6b-ec13df3a9cf9","originalAuthorName":"周其庠"},{"authorName":"刘德山","id":"906ee0ac-dc39-4527-89f7-5530c12056c2","originalAuthorName":"刘德山"}],"doi":"","fpage":"102","id":"385237ff-09fa-4fd8-ad0a-2d7584875588","issue":"2","journal":{"abbrevTitle":"GFZCLKXYGC","coverImgSrc":"journal/img/cover/GFZCLKXYGC.jpg","id":"31","issnPpub":"1000-7555","publisherId":"GFZCLKXYGC","title":"高分子材料科学与工程"},"keywords":[{"id":"db2c4b70-53b8-4b75-b224-3ec9df2097b6","keyword":"氮化铝","originalKeyword":"氮化铝"},{"id":"2345520f-4032-4148-9352-fcab4998f072","keyword":"液晶聚酯","originalKeyword":"液晶聚酯"},{"id":"8c2a8516-348b-44e3-a428-77cdbd24f386","keyword":"复合材料","originalKeyword":"复合材料"},{"id":"28c8a344-faee-4690-b0e0-b2464fd012dc","keyword":"热物理性能","originalKeyword":"热物理性能"},{"id":"9fa2f95f-0919-4c8b-a367-a7cafcdb4290","keyword":"介电性能","originalKeyword":"介电性能"},{"id":"6a2864b2-9638-4456-a543-305b9b37948d","keyword":"力学性能","originalKeyword":"力学性能"}],"language":"zh","publisherId":"gfzclkxygc199902029","title":"液晶聚酯与氮化铝复合基板材料的研究","volume":"","year":"1999"},{"abstractinfo":"利用热致液晶高分子(TLCP)PET/60PHB与聚碳酸酯(PC)的多嵌段共聚物作为相容剂,研究了PC与该TLCP共混体系的力学性能、热性能、形貌及织构.研究表明,PC/TLCP二元共混物的相容性很差,TLCP在加工条件下不能形成分散于基体中的具有一定长径比的微纤,得到材料的力学性能较PC基体有所下降.相容剂的加入明显的改进了体系的相容性,表现在三元共混物的力学性能提高、微观TLCP粒子的直径变小,两相界面模糊.","authors":[{"authorName":"杜新宇","id":"88943bf0-a92d-40a5-961f-765ff62ab386","originalAuthorName":"杜新宇"},{"authorName":"李斌","id":"621dd796-1950-4383-b8b1-bbb510d6006b","originalAuthorName":"李斌"},{"authorName":"刘德山","id":"caa355df-b464-4a2c-9a05-0d36459b4f09","originalAuthorName":"刘德山"},{"authorName":"周其庠","id":"cf0c49bf-f032-4d5a-9d2b-288ebf26ec59","originalAuthorName":"周其庠"}],"doi":"","fpage":"154","id":"5ab38e32-b07c-43bf-a566-0a62a2c94194","issue":"4","journal":{"abbrevTitle":"GFZCLKXYGC","coverImgSrc":"journal/img/cover/GFZCLKXYGC.jpg","id":"31","issnPpub":"1000-7555","publisherId":"GFZCLKXYGC","title":"高分子材料科学与工程"},"keywords":[{"id":"029c1f6f-ea4e-4f9e-8c8e-6d93980c7d23","keyword":"PET/60PHB","originalKeyword":"PET/60PHB"},{"id":"92f6912f-cac5-41e4-b22c-9de3e08036f0","keyword":"聚碳酸酯","originalKeyword":"聚碳酸酯"},{"id":"c04286f8-867b-44a4-a4cb-de5181e33f09","keyword":"原位复合材料","originalKeyword":"原位复合材料"},{"id":"752e7d72-1d67-4e18-8f68-c4232f72f8ab","keyword":"液晶嵌段共聚物","originalKeyword":"液晶嵌段共聚物"},{"id":"5908e723-ba82-4eca-a875-6242de097496","keyword":"相容性","originalKeyword":"相容性"}],"language":"zh","publisherId":"gfzclkxygc199904046","title":"液晶嵌段共聚物对PC/TLCP共混体系相容作用的研究","volume":"15","year":"1999"},{"abstractinfo":"简要介绍了芳香族偶氮化合物光敏和光响应特性,综合评述了近10年来芳香族偶氮聚合物研究概况,重点介绍有关新型光信息材料的研究.","authors":[{"authorName":"吴立锋","id":"91c82646-78db-44c4-8df3-da2f3e0c19c6","originalAuthorName":"吴立锋"},{"authorName":"彭华根","id":"2969568c-ccf5-43cf-b830-0a588fe49949","originalAuthorName":"彭华根"},{"authorName":"王晓工","id":"828bb67f-fe4e-4201-b4ba-1ab12795f75c","originalAuthorName":"王晓工"},{"authorName":"刘德山","id":"59731786-59e8-4d00-86fc-afde28a7a775","originalAuthorName":"刘德山"},{"authorName":"周其庠","id":"bf266d03-b7bf-4b08-b686-20c9ed90033f","originalAuthorName":"周其庠"}],"doi":"","fpage":"147","id":"70dae8bc-695d-48b2-b939-c284a8095395","issue":"4","journal":{"abbrevTitle":"GFZCLKXYGC","coverImgSrc":"journal/img/cover/GFZCLKXYGC.jpg","id":"31","issnPpub":"1000-7555","publisherId":"GFZCLKXYGC","title":"高分子材料科学与工程"},"keywords":[{"id":"1906a29e-e107-4cd7-b67e-6798653a90a6","keyword":"偶氮化合物","originalKeyword":"偶氮化合物"},{"id":"81feebd8-2003-4fc2-9d68-70cc5e392854","keyword":"芳香族偶氮聚合物","originalKeyword":"芳香族偶氮聚合物"},{"id":"545f5806-1387-48d9-a5df-f2ff56c7ce33","keyword":"顺反异构化","originalKeyword":"顺反异构化"},{"id":"0dd71709-a3f9-498f-9589-6e39b3878304","keyword":"光学应用","originalKeyword":"光学应用"}],"language":"zh","publisherId":"gfzclkxygc200004041","title":"芳香族偶氮聚合物的光效应及应用","volume":"16","year":"2000"},{"abstractinfo":"合成了两种阴离子型的端烯基聚氨酯(UAA)预聚物,制备了pH值敏感的水凝胶,比较了它们的pH值响应性.将UAA预聚物与N-异丙基丙烯酰胺(NIPA)共聚,得到具有温度和pH值双重敏感性的水凝胶.研究发现聚氨酯侧链的引入对NIPA的相转变温度(LCST)几乎无影响.聚合温度和组成比对所合成的水凝胶性能有较大的影响.","authors":[{"authorName":"刘晓华","id":"9743ea5d-20ee-4253-a7b0-097408fc41a8","originalAuthorName":"刘晓华"},{"authorName":"唐黎明","id":"f61212a6-013c-4531-a7c7-b8e979423926","originalAuthorName":"唐黎明"},{"authorName":"戴彧","id":"4d7bedc6-2431-4fd4-80f3-faafbb0308d0","originalAuthorName":"戴彧"},{"authorName":"王晓工","id":"1ea12ddd-04e7-41d0-b6a5-50a176236e67","originalAuthorName":"王晓工"},{"authorName":"刘德山","id":"0d7bf924-e6de-490b-8793-3c4c7aec84ef","originalAuthorName":"刘德山"}],"doi":"","fpage":"49","id":"92541188-f0fd-496e-98f7-ca7dcda30dfc","issue":"1","journal":{"abbrevTitle":"GFZCLKXYGC","coverImgSrc":"journal/img/cover/GFZCLKXYGC.jpg","id":"31","issnPpub":"1000-7555","publisherId":"GFZCLKXYGC","title":"高分子材料科学与工程"},"keywords":[{"id":"052d6950-22aa-4b24-ab48-151b3d3a1bfe","keyword":"水凝胶","originalKeyword":"水凝胶"},{"id":"62615916-eb42-4614-82cd-2023f7a9b467","keyword":"温敏性","originalKeyword":"温敏性"},{"id":"368451ec-0504-4cb5-9180-2006ea9e0cf1","keyword":"pH值敏感性","originalKeyword":"pH值敏感性"},{"id":"9cbb997d-6fd5-422b-9974-40c8a0e641a5","keyword":"聚氨酯","originalKeyword":"聚氨酯"},{"id":"7f93931d-8d33-4dd1-8c39-65f1838092eb","keyword":"N-异丙基丙烯酰胺","originalKeyword":"N-异丙基丙烯酰胺"}],"language":"zh","publisherId":"gfzclkxygc200301012","title":"含聚氨酯型温度和pH双敏性水凝胶的合成及性能研究","volume":"19","year":"2003"},{"abstractinfo":"以2,4-甲苯二异氰酸酯,对苯二酚为原料,以二氧六环,N,N-二甲基乙酰胺为溶剂,-NCO/-OH=1/10~1/4(mol/mol),反应温度60~80 ℃,反应时间4~8 h,采用红外定性跟踪反应过程.经红外光谱、1H-核磁共振谱和元素分析等方法的确定,合成出了高纯度的氨酯单体:双(4'-羟苯基)-2,4-甲苯二氨酯,以氨酯单体、丁二醇和对苯二甲酰氯为原料的溶液聚合得到新型的液晶聚氨酯.这就改变了先合成含酯键的介晶二醇或二酚,再与二异氰酸酯反应得到液晶聚氨酯-酯的传统方法.","authors":[{"authorName":"连彦青","id":"fb26660e-d1bf-4b24-b9d3-75a50dd46b88","originalAuthorName":"连彦青"},{"authorName":"李明琦","id":"a3fd9063-9073-4368-b649-025c3d5d86c1","originalAuthorName":"李明琦"},{"authorName":"周其庠","id":"38c1100e-7f9c-4b58-a971-45fadfec1671","originalAuthorName":"周其庠"},{"authorName":"刘德山","id":"b09edb18-93d7-43ca-8feb-486925d3a67d","originalAuthorName":"刘德山"}],"doi":"","fpage":"85","id":"9df1b811-2286-4a99-9c7d-5afa6c3dd6a6","issue":"3","journal":{"abbrevTitle":"GFZCLKXYGC","coverImgSrc":"journal/img/cover/GFZCLKXYGC.jpg","id":"31","issnPpub":"1000-7555","publisherId":"GFZCLKXYGC","title":"高分子材料科学与工程"},"keywords":[{"id":"9d79e7e9-29ea-4e4d-abff-f77a9522e55a","keyword":"聚(氨酯-酯)","originalKeyword":"聚(氨酯-酯)"},{"id":"c3433bc5-1ab2-4dab-85da-b980669ee648","keyword":"液晶聚合物","originalKeyword":"液晶聚合物"},{"id":"3f8a48e6-6f72-4fc9-8ec3-71b72096f161","keyword":"热致性液晶","originalKeyword":"热致性液晶"},{"id":"672d2658-e737-4058-a32b-648f81efcf7b","keyword":"氨酯单体","originalKeyword":"氨酯单体"}],"language":"zh","publisherId":"gfzclkxygc200003024","title":"热致液晶聚(氨酯-酯)的酚羟基氨基甲酸酯的合成","volume":"16","year":"2000"},{"abstractinfo":"采用本体聚合的方法合成出了丙烯酸系热熔压敏胶并研究了合成丙烯酸酯共聚物的软单体、硬单体、官能单体的种类及用量对该热熔压敏胶性能的影响.","authors":[{"authorName":"任嘉祥","id":"40edb5fc-2352-4173-ae8b-9e9d452731e7","originalAuthorName":"任嘉祥"},{"authorName":"杜奕","id":"fec6c209-a750-4038-a571-41cab2307abd","originalAuthorName":"杜奕"},{"authorName":"李江屏","id":"214673ee-df54-4c08-898c-a2c0968e0cea","originalAuthorName":"李江屏"},{"authorName":"潘智存","id":"754a45ce-f15f-4aec-8b20-b3b41c47f7cf","originalAuthorName":"潘智存"},{"authorName":"刘德山","id":"31a554b6-44dd-4e85-91ec-d58379e0a67d","originalAuthorName":"刘德山"},{"authorName":"周其庠","id":"a4fc3ab8-1668-4bd7-9136-d2c0ed92b284","originalAuthorName":"周其庠"}],"doi":"","fpage":"139","id":"aa2236b7-7e47-49a4-950e-2e16a63cdd19","issue":"4","journal":{"abbrevTitle":"GFZCLKXYGC","coverImgSrc":"journal/img/cover/GFZCLKXYGC.jpg","id":"31","issnPpub":"1000-7555","publisherId":"GFZCLKXYGC","title":"高分子材料科学与工程"},"keywords":[{"id":"f6f4ed38-200d-42d9-9379-09d8bce833a2","keyword":"丙烯酸系热熔压敏胶粘剂","originalKeyword":"丙烯酸系热熔压敏胶粘剂"},{"id":"8cb329c5-795b-4e00-8a25-168944342c42","keyword":"软单体","originalKeyword":"软单体"},{"id":"32e2a557-a9dc-4b91-a304-df0ec0c5cf7a","keyword":"硬单体","originalKeyword":"硬单体"},{"id":"58fa52f5-38d6-44de-b8a9-ad95ea2d6d4c","keyword":"官能单体","originalKeyword":"官能单体"}],"language":"zh","publisherId":"gfzclkxygc200004039","title":"丙烯酸系热熔压敏胶粘剂的研究","volume":"16","year":"2000"},{"abstractinfo":"从共混和共聚两个方面综述了有机硅改性丙烯酸酯聚合物的制备方法,指出乳液聚合法是目前制备该类材料最重要的手段.介绍了国际上几个大公司在该领域研究开发方面的最新进展,简要说明了该类材料在塑料、橡胶、涂料和粘合剂等方面的应用.","authors":[{"authorName":"阚成友","id":"af8514aa-8740-4d6c-9f5c-38ef050e27a5","originalAuthorName":"阚成友"},{"authorName":"孔祥正","id":"34b13c61-70f5-4132-bc2c-87e633fe8c70","originalAuthorName":"孔祥正"},{"authorName":"袁青","id":"a7058e01-1e85-4886-a858-df6948bf8ef6","originalAuthorName":"袁青"},{"authorName":"刘德山","id":"c8cae8e9-ec01-4610-b248-256a0adc6c87","originalAuthorName":"刘德山"},{"authorName":"焦书科","id":"07277163-d005-4434-ac8a-0abb6608623b","originalAuthorName":"焦书科"}],"doi":"","fpage":"1","id":"bb036457-06c6-4dfa-b92d-b0eb4de20a4f","issue":"4","journal":{"abbrevTitle":"GFZCLKXYGC","coverImgSrc":"journal/img/cover/GFZCLKXYGC.jpg","id":"31","issnPpub":"1000-7555","publisherId":"GFZCLKXYGC","title":"高分子材料科学与工程"},"keywords":[{"id":"d545cfe0-b915-41cc-a2c9-401fce950855","keyword":"改性聚丙烯酸酯","originalKeyword":"改性聚丙烯酸酯"},{"id":"9987d2c0-7242-4df5-9ca3-3a3c8006fd44","keyword":"聚有机硅氧烷","originalKeyword":"聚有机硅氧烷"},{"id":"5e4eafb5-78a6-47c0-bd15-ac11c607d6e9","keyword":"复合材料","originalKeyword":"复合材料"},{"id":"2b9c09e8-0ee5-4d87-b127-b16e98a6fc01","keyword":"应用","originalKeyword":"应用"}],"language":"zh","publisherId":"gfzclkxygc200004001","title":"有机硅改性丙烯酸酯聚合物研究进展","volume":"16","year":"2000"},{"abstractinfo":"采用后聚合方法,通过氯甲基苯乙烯(VBC)与大孔径苯乙烯-二乙烯基苯[P(St-DVB)]交联树脂球粒中剩余双键的接枝悬浮聚合,制备出了氯甲基化大孔径P(St-DVB)树脂.用压汞法和扫描电子显微镜(SEM)表征了树脂的孔结构,接枝共聚反应的发生用红外光谱法予以证实,用元素分析测定了树脂的含氯量,考察了VBC用量及溶胀剂对后聚合反应及产物结构的影响.","authors":[{"authorName":"阚成友","id":"60a87d0f-a75b-4952-ba06-55ad6ba7f619","originalAuthorName":"阚成友"},{"authorName":"袁青","id":"690982bd-3ddf-492b-905f-735c1a54a41d","originalAuthorName":"袁青"},{"authorName":"孔祥正","id":"f8f8c5e0-4fc9-44a3-87b7-d88a976a3747","originalAuthorName":"孔祥正"},{"authorName":"刘德山","id":"54136451-13dc-431a-bed9-5cac9c51fc63","originalAuthorName":"刘德山"}],"doi":"","fpage":"92","id":"c1b67a73-0950-445b-83ce-03aab80afd83","issue":"3","journal":{"abbrevTitle":"GFZCLKXYGC","coverImgSrc":"journal/img/cover/GFZCLKXYGC.jpg","id":"31","issnPpub":"1000-7555","publisherId":"GFZCLKXYGC","title":"高分子材料科学与工程"},"keywords":[{"id":"ed40db1a-552d-49f9-b6f3-ad17a373c820","keyword":"后聚合","originalKeyword":"后聚合"},{"id":"3811a100-a0d8-46e6-a688-7be70d736a0d","keyword":"氯甲基苯乙烯","originalKeyword":"氯甲基苯乙烯"},{"id":"3999e29f-8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