{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"通过力学性能测试和TEM观察,对液相原位反应法制备的Cu-0.9Y2O3(体积分数,%)复合材料的凝固机理和强化机制进行研究.结果表明:在液相线温度上,熔融的Cu-Y合金在等温凝固的条件下,原位生成的纳米级Y2O3粒子均匀弥散分布在铜基体上,并没有在晶界附近聚集长大;通过不同强化机制定量计算Cu-0.9Y2O3复合材料的抗拉强度为593 MPa,与实测值568MPa相当,其中,Orowan机制和切割机制作为主要的强化机制是共同存在的,其产生的强度增值分别为174和207MPa,晶界强化作为辅助强化机制对材料的强度也有贡献.","authors":[{"authorName":"卓海鸥","id":"74414512-9187-4da5-b67f-74decc220116","originalAuthorName":"卓海鸥"},{"authorName":"唐建成","id":"770680b8-c58e-4764-a576-9a610c4a1602","originalAuthorName":"唐建成"},{"authorName":"叶楠","id":"4be28814-2eb8-43e8-9107-e703acd55cb2","originalAuthorName":"叶楠"}],"doi":"","fpage":"1134","id":"7f229494-e2c6-49ec-aaf8-abb3196d78a1","issue":"5","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":"c796ec05-4fa6-46ba-990d-b5d2895b9269","keyword":"Cu-Y2O3复合材料","originalKeyword":"Cu-Y2O3复合材料"},{"id":"de9ff7a4-14cb-45de-98df-a311cd83cb50","keyword":"液相原位反应","originalKeyword":"液相原位反应"},{"id":"b54c6b13-782a-4ebd-9d73-de13ff1954d6","keyword":"凝固机理","originalKeyword":"凝固机理"},{"id":"8abb850a-278e-4e3e-94c8-579108d91bef","keyword":"强化机制","originalKeyword":"强化机制"}],"language":"zh","publisherId":"xyjsclygc201505020","title":"Y2O3弥散强化铜基复合材料的强化机制","volume":"44","year":"2015"},{"abstractinfo":"Nb-Si基共晶体系超高温合金是目前最有希望应用于超高温环境的材料之一.目前的研究还仅仅停留在合金化改善其综合性能及抗氧化涂层的制备等方面,而对其共晶凝固机理等更深层次的研究还较少.从Nb基超高温合金铸态、定向凝固态组织及相组成等角度入手对该合金的微观组织变化规律进行了分析和总结;并对Nb基超高温合金共晶凝固机理的研究进展进行了综述;此外,还讨论了该合金目前仍需解决的问题.","authors":[{"authorName":"郭海生","id":"3779a41a-fa3c-4589-82e1-97a07e6b7329","originalAuthorName":"郭海生"},{"authorName":"郭喜平","id":"84473167-9dab-434a-96b3-855764882767","originalAuthorName":"郭喜平"}],"doi":"","fpage":"56","id":"57490458-95d9-4ee2-bf37-174f76722fa8","issue":"4","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"419a2dc6-4120-4681-b3ba-1c5b522a099c","keyword":"Nb基超高温合金","originalKeyword":"Nb基超高温合金"},{"id":"258d3aea-2a8d-4549-935a-3595374b04df","keyword":"定向凝固","originalKeyword":"定向凝固"},{"id":"17e02100-0506-4ec6-95f1-221bd8adfa32","keyword":"共晶凝固","originalKeyword":"共晶凝固"},{"id":"877bdb32-eb4f-48f5-aeaa-43a8ea1ad6b5","keyword":"耦合生长","originalKeyword":"耦合生长"},{"id":"1cf8f631-124e-487d-ab8f-542339f25a4f","keyword":"凝固速度","originalKeyword":"凝固速度"},{"id":"ca6e9a62-ef2f-44d4-8f91-d902a1b26080","keyword":"初生相","originalKeyword":"初生相"}],"language":"zh","publisherId":"cldb200704014","title":"Nb基超高温合金定向凝固组织及其共晶凝固机理研究进展","volume":"21","year":"2007"},{"abstractinfo":"控制纺丝工艺中外场条件恒定,通过改变单因素凝固张力制备聚丙烯腈(PAN)初生纤维.运用X射线衍射、傅里叶变换红外、张力仪进行研究,探讨凝固张力对初生纤维凝聚态的影响,并分析其内在作用机理.结果表明,在凝固相分离过程中,凝固张力值影响着分子链构象状态和初生纤维的结晶性;随着凝固张力的增大,分子链螺旋构象成分逐渐增多,结晶度先降低后升高.外加凝固张力和内部分子链构象共同影响着初生纤维的结晶性.","authors":[{"authorName":"李婷","id":"de828614-384d-4755-b97c-705ac932d766","originalAuthorName":"李婷"},{"authorName":"卜俊峰","id":"cd86786e-c724-493d-944f-bc3c14fa33e0","originalAuthorName":"卜俊峰"},{"authorName":"武帅","id":"53638d73-631e-4ec7-9a7c-32775aba34ea","originalAuthorName":"武帅"},{"authorName":"华鲁","id":"7cfe9cbb-96c0-41f8-98e1-345f49aedcfe","originalAuthorName":"华鲁"},{"authorName":"徐樑华","id":"1921ef29-cded-494f-9c7c-debf80d6ced7","originalAuthorName":"徐樑华"}],"doi":"","fpage":"91","id":"54a40e7e-2648-4642-8015-e73c4fa82822","issue":"6","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":"1fa99458-0c3f-420a-b1df-f819cc86af24","keyword":"聚丙烯腈初生纤维","originalKeyword":"聚丙烯腈初生纤维"},{"id":"14baedea-2cf4-433d-a666-408d4f05d57d","keyword":"凝聚态","originalKeyword":"凝聚态"},{"id":"ad8c277f-5d17-4bce-968e-f514aeb1edbb","keyword":"凝固张力","originalKeyword":"凝固张力"},{"id":"c7b0054b-bb4f-4c21-9c28-35731b92828b","keyword":"分子链构象","originalKeyword":"分子链构象"}],"language":"zh","publisherId":"gfzclkxygc201406020","title":"凝固张力对聚丙烯腈初生纤维凝聚态的作用机理","volume":"30","year":"2014"},{"abstractinfo":"探讨了高功率全密闭直流电炉连续熔炼钛渣过程中渣铁界层的凝固机理及控制措施.分析表明,渣铁界层钛渣中夹杂有少量金属铁,且越接近界面铁量越大,渣铁温差、界层钛渣TiO2还原程度较高等是造成界层易于凝固的重要原因;通过调整渣层厚度、熔炼温度、还原程度等可对凝固范围进行有效控制.","authors":[{"authorName":"吕延昆","id":"68de94a0-be4a-40d1-91f1-e1bb7e893b37","originalAuthorName":"吕延昆"},{"authorName":"文建华","id":"a986843f-3b01-4816-a415-9f8a077cee9a","originalAuthorName":"文建华"},{"authorName":"邹捷","id":"f2290067-8c8a-476d-825b-c6892665eeb7","originalAuthorName":"邹捷"},{"authorName":"杨春旺","id":"3b3e93b7-9f3e-4269-9e5c-f6a54ee82438","originalAuthorName":"杨春旺"},{"authorName":"刘平","id":"3dca28d3-9bee-4cab-a725-971ea86650ff","originalAuthorName":"刘平"},{"authorName":"刘建良","id":"9248f824-e610-4f23-bb54-ee02dc7d8c9a","originalAuthorName":"刘建良"}],"doi":"","fpage":"32","id":"b07d8b7d-7786-44e8-892b-33382a484a01","issue":"6","journal":{"abbrevTitle":"TGYJZ","coverImgSrc":"journal/img/cover/TGYJZ.jpg","id":"60","issnPpub":"1009-9964","publisherId":"TGYJZ","title":"钛工业进展"},"keywords":[{"id":"135c3bde-fe1e-4e58-8c0f-16f5ea08578c","keyword":"钛渣","originalKeyword":"钛渣"},{"id":"6a4fc04a-5b47-41e6-84bf-1b7e148c8c6a","keyword":"连续熔炼","originalKeyword":"连续熔炼"},{"id":"c6d9eb11-9f0a-41c3-889a-7cc8f8c97d39","keyword":"渣铁界层","originalKeyword":"渣铁界层"},{"id":"ce1a5303-c35a-4fa3-a536-a8b63c233525","keyword":"熔体凝固","originalKeyword":"熔体凝固"}],"language":"zh","publisherId":"tgyjz201206009","title":"钛渣连续熔炼渣铁界层凝固机理及控制探讨","volume":"29","year":"2012"},{"abstractinfo":"在温度梯度为260 K·cm-1和凝固速率为1μm·s-1条件下,对Al-38.5%Cu合金凝固组织中存在的Al2Cu单相和Al/Al2Cu共晶相交替生长带状组织的形成机理进行了研究.结果表明:带状组织的产生与合金定向凝固界面前沿的溶质分布有关,形成的原因是合金未达到稳态凝固,凝固速率和合金成分一直处于变化之中;在单相和共晶相的带状组织中,合金凝固速率在单相中随着界面前液相溶质含量的增加而逐渐减小,而在共晶相中随着界面前沿液相溶质含量的增加而逐渐增大.","authors":[{"authorName":"唐玲","id":"a7a8ab22-8e76-4912-a8f2-b7bc4b0642e5","originalAuthorName":"唐玲"},{"authorName":"李双明","id":"58f2fc16-dab0-460e-af9b-295810b265fe","originalAuthorName":"李双明"},{"authorName":"艾桃桃","id":"9c3eb537-5395-4c55-b538-19d6f9c96b2b","originalAuthorName":"艾桃桃"},{"authorName":"李文虎","id":"66117831-3e7d-4293-9696-1ee405c34364","originalAuthorName":"李文虎"},{"authorName":"冯小明","id":"99e3e314-b680-47d1-a3eb-0e380ab91ab5","originalAuthorName":"冯小明"}],"doi":"","fpage":"31","id":"e9aeb64a-af09-46c4-94da-6f03abd895cd","issue":"4","journal":{"abbrevTitle":"JXGCCL","coverImgSrc":"journal/img/cover/JXGCCL.jpg","id":"45","issnPpub":"1000-3738","publisherId":"JXGCCL","title":"机械工程材料"},"keywords":[{"id":"7ab076da-a324-42e7-ab8c-a90fd4173d4a","keyword":"Al-38.5%Cu合金","originalKeyword":"Al-38.5%Cu合金"},{"id":"cf0bb82b-663b-4eba-8f5d-0ed878e520d2","keyword":"定向凝固","originalKeyword":"定向凝固"},{"id":"8675b596-bff4-450d-b7ed-1fe97dc51b89","keyword":"带状组织","originalKeyword":"带状组织"},{"id":"764a28a8-c46c-4e11-9137-7a29b231d3da","keyword":"溶质分布","originalKeyword":"溶质分布"}],"language":"zh","publisherId":"jxgccl201004009","title":"定向凝固Al-38.5%Cu合金中带状组织的形成机理","volume":"34","year":"2010"},{"abstractinfo":"采用X射线衍射仪(XRD)、扫描电子显微镜(SEM)、能谱分析仪等研究了Mg-Ni样品在球磨过程中的相结构、形貌、微区成分等变化规律,提出了球磨Mg-Ni非晶形成的局部熔化-相互扩散-快速凝固机理:样品在高于一定转速的球磨过程中发生局部熔化,镍粉镶嵌入熔体中,在磨球的撞击作用下,熔体经快速凝固形成成分不均的晶体样品.再次被磨球碰撞时,样品产生局部熔化-相互扩散-快速凝固过程并在界面处形成非晶薄层,随着球磨时间的延长,非晶层的厚度不断增加、样品的微区成分逐渐趋于均匀,原子排列也从长程有序转变为短程有序甚至无序的非晶结构.","authors":[{"authorName":"蒙冕武","id":"5b277c53-df1c-4aa4-8170-2ae76cb9b8da","originalAuthorName":"蒙冕武"},{"authorName":"刘心宇","id":"95d041a2-cf94-4af3-b211-6a0b41197cee","originalAuthorName":"刘心宇"},{"authorName":"成钧","id":"b73164f7-7d44-4859-b56c-e6146439adda","originalAuthorName":"成钧"}],"doi":"10.3969/j.issn.1001-4381.2005.07.005","fpage":"19","id":"11f2a053-7e39-4ba1-8e10-610589935aad","issue":"7","journal":{"abbrevTitle":"CLGC","coverImgSrc":"journal/img/cover/CLGC.jpg","id":"9","issnPpub":"1001-4381","publisherId":"CLGC","title":"材料工程"},"keywords":[{"id":"34c0cb05-f4a0-4dff-9d13-65fa3f6452bb","keyword":"球磨","originalKeyword":"球磨"},{"id":"a75b98ca-b78d-46cd-898d-f719445ec311","keyword":"Mg-Ni合金","originalKeyword":"Mg-Ni合金"},{"id":"213b4639-8fb9-4912-abb0-0514401a6601","keyword":"非晶形成","originalKeyword":"非晶形成"},{"id":"fe3730b2-cdae-451b-a8ee-9758e9945827","keyword":"机理","originalKeyword":"机理"}],"language":"zh","publisherId":"clgc200507005","title":"球磨Mg-Ni非晶形成的局部熔化-相互扩散-快速凝固机理","volume":"","year":"2005"},{"abstractinfo":"本文采用热分析法研究几种金属-氢气共晶反应定向凝固制备藕状多孔材料气孔的形成和长大机理.结果表明,这种工艺气孔是借助熔融金属中的活性杂质非匀质形核的,而长大则是沿固液界面的法线方向向具有粗糙界面的气固相转移,最终形成气孔规则定向排列于金属基体中的多孔材料.","authors":[{"authorName":"陈文革","id":"c8e6fbc1-8d35-4922-b64e-eb67f26ef1b4","originalAuthorName":"陈文革"},{"authorName":"张强","id":"6712d9b9-4ee4-4d4f-8004-c02556b38179","originalAuthorName":"张强"},{"authorName":"胡可文","id":"3104c7a0-f069-4bd3-ac3a-32c62dcbc3f3","originalAuthorName":"胡可文"},{"authorName":"罗启文","id":"3a8a4140-0ac3-44ec-8092-b0621d0c664e","originalAuthorName":"罗启文"},{"authorName":"高丽娜","id":"19f39d11-c728-4717-9060-05bdd00f24ea","originalAuthorName":"高丽娜"}],"doi":"","fpage":"30","id":"b3c581cd-92f6-4b6f-9231-898fa221abd7","issue":"4","journal":{"abbrevTitle":"JSGNCL","coverImgSrc":"journal/img/cover/JSGNCL.jpg","id":"46","issnPpub":"1005-8192","publisherId":"JSGNCL","title":"金属功能材料"},"keywords":[{"id":"9a06fbf9-8863-4b5b-ba46-d8e26702ef6a","keyword":"共晶反应","originalKeyword":"共晶反应"},{"id":"4cce143d-a699-48f3-a6c0-74bd857bb700","keyword":"多孔材料","originalKeyword":"多孔材料"},{"id":"9bdea27c-c610-4e0d-a0a8-74abb0c5e1d2","keyword":"形核","originalKeyword":"形核"},{"id":"e86154a2-b9c0-4031-8059-4f0274912453","keyword":"长大","originalKeyword":"长大"},{"id":"0a3b0397-76d1-4039-bd29-557bda93cc45","keyword":"机理","originalKeyword":"机理"}],"language":"zh","publisherId":"jsgncl200904009","title":"共晶反应定向凝固工艺制备多孔材料气孔形成和长大机理","volume":"16","year":"2009"},{"abstractinfo":"利用Tompa拓展的Flory-Huggins溶液理论,对聚丙烯腈(PAN)湿法纺丝凝固过程中相分离机理进行了初步探讨.针对聚合物/溶剂/非溶剂体系,计算了溶剂-非溶剂、溶剂-聚合物以及非溶剂-聚合物的体系相互作用参数,得到了高浓度三元体系的双节线.结果表明,相对于二甲基甲酰胺(DMF)币二甲基乙酰胺(DMAc),以二甲基亚砜(DMS0)为溶剂的体系中双节线离聚合物-溶剂轴的距离最远,非溶剂与溶剂之间的双扩散缓和,是纺丝体系中溶剂的最佳选择.湿法纺丝的相分离存在瞬时双扩散和迟豫双扩散两种机理,瞬时双扩散机理引起纤维内部产生孔洞.","authors":[{"authorName":"陈娟","id":"478cfa36-b060-4789-ab89-e453ac8f0c78","originalAuthorName":"陈娟"},{"authorName":"葛曷一","id":"653425ab-d8d9-4e64-9f36-f1e41bfb227e","originalAuthorName":"葛曷一"},{"authorName":"柳华实","id":"41707d66-d6e1-4e8c-9370-d6c3f9e936a4","originalAuthorName":"柳华实"},{"authorName":"李国忠","id":"3a00130c-1088-4998-99e1-82af5c9af69b","originalAuthorName":"李国忠"},{"authorName":"王成国","id":"a9c345d0-8c56-4861-b334-b25c775c0265","originalAuthorName":"王成国"}],"doi":"","fpage":"523","id":"04190745-50e6-4445-ab80-97a39747b7b8","issue":"3","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"3d8198bb-eaef-4fa9-9f5b-2a2e9b6d54a4","keyword":"PAN","originalKeyword":"PAN"},{"id":"86f05178-6096-43d0-a94d-005f0ae39e46","keyword":"湿法纺丝","originalKeyword":"湿法纺丝"},{"id":"6e9ad9b2-a9fa-43db-a479-63c25fdff624","keyword":"相分离","originalKeyword":"相分离"},{"id":"b96d901e-0bb2-4a62-9626-68897ccbb035","keyword":"双节线","originalKeyword":"双节线"}],"language":"zh","publisherId":"gncl200903050","title":"PAN湿法纺丝凝固过程中相分离机理初探","volume":"40","year":"2009"},{"abstractinfo":"在双辊薄带连铸实验和薄带凝固组织特征分析的基础上,结合对薄带凝固组织区的模拟预测结果, 研究了1Cr18Ni9Ti不锈钢双辊薄带凝固组织区(特别是等轴晶区)的形成机理. 结果表明: 1Cr18Ni9Ti不锈钢双辊薄带凝固组织中的等轴晶区不但在凝固类型为半固态时形成, 在轧制或理想型时也能形成. 其形成机理为, 熔池中悬浮游离晶体的沉积、聚集以及在枝晶生长前沿的长大和薄带离开二铸辊最小间隙(铸辊出口)后, 薄带/空气界面换热系数骤然降低抑制了柱状枝晶的生长, 并促使薄带中部未凝固熔体中游离晶体的择优长大.","authors":[{"authorName":"杨明波","id":"3f07fec6-1ca2-4cf9-b5bb-732d19fd681e","originalAuthorName":"杨明波"},{"authorName":"潘复生","id":"656a4f4c-1fd7-48b1-94e8-e4ecc44f7c48","originalAuthorName":"潘复生"},{"authorName":"张丁非","id":"c489173f-3962-44bd-bbf8-ae944596b0d6","originalAuthorName":"张丁非"},{"authorName":"丁培道","id":"e0c64681-94ce-4043-8782-7c1304b2c4d5","originalAuthorName":"丁培道"}],"categoryName":"|","doi":"","fpage":"0","id":"43962b8b-4389-4e64-ab7a-0e092c501022","issue":"3","journal":{"abbrevTitle":"CLYJXB","coverImgSrc":"journal/img/cover/CLYJXB.jpg","id":"16","issnPpub":"1005-3093","publisherId":"CLYJXB","title":"材料研究学报"},"keywords":[{"id":"2f4aedc0-b589-424e-93b0-8d0f4d61ec18","keyword":"金属材料","originalKeyword":"金属材料"},{"id":"a6057ad6-65bd-44c2-a5b0-0a7c48982f57","keyword":"null","originalKeyword":"null"},{"id":"7cb7f029-1f6d-4cc7-830f-0f3ab256ea70","keyword":"null","originalKeyword":"null"}],"language":"zh","publisherId":"1005-3093_2005_3_1","title":"1Cr18Ni9Ti不锈钢双辊薄带凝固组织区的形成机理","volume":"19","year":"2005"},{"abstractinfo":"在双辊薄带连铸实验和薄带凝固组织特征分析的基础上,结合对薄带凝固组织区的模拟预测结果,研究了1Cr18Ni9Ti不锈钢双辊薄带凝固组织区(特别是等轴晶区)的形成机理.结果表明:1Cr18Ni9Ti不锈钢双辊薄带凝固组织中的等轴晶区不但在凝固类型为半固态时形成,在轧制或理想型时也能形成.其形成机理为,熔池中悬浮游离晶体的沉积、聚集以及在枝晶生长前沿的长大和薄带离开二铸辊最小间隙(铸辊出口)后,薄带/空气界面换热系数骤然降低抑制了柱状枝晶的生长,并促使薄带中部未凝固熔体中游离晶体的择优长大.","authors":[{"authorName":"杨明波","id":"857163c2-6056-4a89-a622-0797f5e523d2","originalAuthorName":"杨明波"},{"authorName":"潘复生","id":"1b502c67-db62-4902-9b2e-8755712f9ae4","originalAuthorName":"潘复生"},{"authorName":"张丁非","id":"d23ff352-8533-49c8-a6af-fb3bb518e30a","originalAuthorName":"张丁非"},{"authorName":"丁培道","id":"dc06dbf2-f6a0-41c4-b0fa-fed066e4f3cb","originalAuthorName":"丁培道"}],"doi":"10.3321/j.issn:1005-3093.2005.03.018","fpage":"325","id":"0f1e2ba1-b4f3-49ee-b23a-6d29861ea2cc","issue":"3","journal":{"abbrevTitle":"CLYJXB","coverImgSrc":"journal/img/cover/CLYJXB.jpg","id":"16","issnPpub":"1005-3093","publisherId":"CLYJXB","title":"材料研究学报"},"keywords":[{"id":"a01754c8-763e-4ba9-b3a7-9411850de59d","keyword":"金属材料","originalKeyword":"金属材料"},{"id":"06ce9533-8c83-46d9-8032-d38bc8d7f2af","keyword":"双辊薄带","originalKeyword":"双辊薄带"},{"id":"474286d9-e304-4bfd-8f42-773a7959b5af","keyword":"1Cr18Ni9Ti不锈钢","originalKeyword":"1Cr18Ni9Ti不锈钢"},{"id":"eb6b7041-3fb3-4c9c-b94c-eed25302f7b2","keyword":"凝固组织区","originalKeyword":"凝固组织区"},{"id":"f428a161-73a9-455d-92f7-ab92332ae37c","keyword":"形成机理","originalKeyword":"形成机理"}],"language":"zh","publisherId":"clyjxb200503018","title":"1Cr18Ni9Ti不锈钢双辊薄带凝固组织区的形成机理","volume":"19","year":"2005"}],"totalpage":2252,"totalrecord":22513}