{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"建立了用于测算镍基单晶高温合金枝晶典型区域相成分的最优化数学模型.根据电子探针对枝晶典型区域成分的测定结果,运用BFGS拟Newton法及CONSTR约束优化算法,可以计算枝晶各典型区域中γ和γ'相成分.以镍基单晶合金CMSX 2和CMSX 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2和CMSX 4为对象,对优化测算结果进行了分析,证实了该方法的可行性.","authors":[{"authorName":"骆宇时","id":"da926f04-e228-47b7-aa79-fd98de8f0b58","originalAuthorName":"骆宇时"},{"authorName":"刘攀","id":"45b806e1-8bf0-42e9-8c05-df460ad12d20","originalAuthorName":"刘攀"},{"authorName":"彭志方","id":"4d72f2ce-4ad3-46fb-9d44-99afa340f24c","originalAuthorName":"彭志方"}],"categoryName":"|","doi":"","fpage":"804","id":"ca50f740-af43-400d-8e01-141c17205596","issue":"8","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"8c423514-521b-4c0c-b0da-c9b4236a6a8a","keyword":"镍基单晶高温合金","originalKeyword":"镍基单晶高温合金"},{"id":"a4da0b36-4882-45a3-9eab-39f7cecfe4b9","keyword":"null","originalKeyword":"null"},{"id":"d2804e64-7f8c-4631-959f-1c71332fd4ab","keyword":"null","originalKeyword":"null"}],"language":"zh","publisherId":"0412-1961_2002_8_15","title":"镍基单晶合金枝晶典型区域相成分最优化测算法","volume":"38","year":"2002"},{"abstractinfo":"导出了高温合金γ和γ′相的元素分配比和分配系数.以CMSX-2合金为研究对象,用EDAX区域扫描测得热处理后未变形试样和经持久变形至断裂试样原树枝状晶三个典型区域(枝晶干、枝晶臂和枝晶间)的成分,使用分配系数法计算:了各区域中γ和γ′相的成分分析了各区相成分分布的特点及其与合金持久寿命的对应关系","authors":[{"authorName":"彭志方","id":"c29e1bcf-4cbb-4b6c-a572-28eac062eadc","originalAuthorName":"彭志方"},{"authorName":"任遥遥","id":"36821aa6-4554-403d-b439-e753e59536f3","originalAuthorName":"任遥遥"},{"authorName":"张伟","id":"e1b79582-5704-4a83-94ba-47c6c8632af1","originalAuthorName":"张伟"},{"authorName":"燕平","id":"e344f26e-3f01-4773-ad54-5d52461c2eb1","originalAuthorName":"燕平"},{"authorName":"赵京晨","id":"d020663b-ecd3-4597-a4b6-d0e5c78d5c4f","originalAuthorName":"赵京晨"},{"authorName":"王延庆","id":"c3a05ec4-8e38-48b8-a678-49a1f6ec3d2a","originalAuthorName":"王延庆"}],"categoryName":"|","doi":"","fpage":"345","id":"350c2cee-1f32-42c6-8aa5-0f2272c611b3","issue":"4","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"6f6b85de-4b6d-419c-b93a-2eab360d1c3f","keyword":"Ni基高温合金","originalKeyword":"Ni基高温合金"},{"id":"eb49e23d-8737-4df6-b45d-50644348c1d9","keyword":"null","originalKeyword":"null"},{"id":"1bc82630-fe90-4887-8587-e464d7f04d8f","keyword":"null","originalKeyword":"null"}],"language":"zh","publisherId":"0412-1961_2001_4_4","title":"Ni基单晶高温合金原树枝状晶结构典型区域γ和γ′相成分的测算","volume":"37","year":"2001"},{"abstractinfo":"导出了高温合金γ和γ′相的元素分配比和分配系数.以CMSX-2合金为研究对象,用EDAX区域扫描测得热处理后未变形试样和经持久变形至断裂试样原树枝状晶三个典型区域(枝晶干、枝晶臂和枝晶间)的成分,使用分配系数法计算:了各区域中γ和γ′相的成分分析了各区相成分分布的特点及其与合金持久寿命的对应关系","authors":[{"authorName":"彭志方","id":"ef7740c1-45e2-46c1-aaa7-fb36f99969db","originalAuthorName":"彭志方"},{"authorName":"任遥遥","id":"8aee438b-24d1-4a3d-b81c-6c4906025bb9","originalAuthorName":"任遥遥"},{"authorName":"张伟","id":"806c2be5-bb6d-4928-8fff-1d3a350d612d","originalAuthorName":"张伟"},{"authorName":"燕平","id":"0815c041-3fe8-469f-b1af-ed85eb2de481","originalAuthorName":"燕平"},{"authorName":"赵京晨","id":"17504c5e-a4f5-4ef2-93bc-6f05aa444afa","originalAuthorName":"赵京晨"},{"authorName":"王延庆","id":"62e0eb51-5b2e-4a0c-a544-333376c71b82","originalAuthorName":"王延庆"}],"doi":"10.3321/j.issn:0412-1961.2001.04.003","fpage":"345","id":"fb78bfd2-1bec-427e-ae5e-3c1bf2ad0b4b","issue":"4","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"3512aa5c-50be-4451-85d9-25e53830f118","keyword":"Ni基高温合金","originalKeyword":"Ni基高温合金"},{"id":"2ec18fde-2d2a-4082-b476-48c87fbaeeb7","keyword":"相成分","originalKeyword":"相成分"},{"id":"36ee25bb-5e04-4c7b-8623-fb82202de004","keyword":"元素分配比","originalKeyword":"元素分配比"},{"id":"951dc455-d089-47a2-9324-d6915b5623eb","keyword":"原树枝状晶结构","originalKeyword":"原树枝状晶结构"},{"id":"26f605f6-f57f-4d1b-8c8d-692faa5548c9","keyword":"持久寿命","originalKeyword":"持久寿命"}],"language":"zh","publisherId":"jsxb200104003","title":"Ni基单晶高温合金原树枝状晶结构典型区域γ和γ′相成分的测算","volume":"34","year":"2001"},{"abstractinfo":"本文主要介绍了枝晶研究的发展现状,主要包括枝晶形貌研究和生长理论研究两个方面.枝晶形貌方面:对生长形态选择问题,比较符合实际的解是\"最大质量沉积速率\"选择规律;枝晶分枝程度与过冷度和晶体对称性有关,分枝反映晶体的对称性.生长理论方面主要介绍三种生长模型:Zener近似因子模型,扩散限制聚集(DLA)模型和成核限制聚集(NLA)模型.并探讨了需进一步研究的两个方面:具对称结构的枝晶的生长机理和枝晶形貌的统一规范化描述.","authors":[{"authorName":"黄琼","id":"03984e1e-0f74-431b-a9f9-d769aa04491f","originalAuthorName":"黄琼"},{"authorName":"赵珊茸","id":"c1db294b-00e6-41af-b9d5-f21948ba3857","originalAuthorName":"赵珊茸"}],"doi":"10.3969/j.issn.1000-985X.2002.05.014","fpage":"486","id":"235fd5d5-2f06-406d-b109-1c707f9656f2","issue":"5","journal":{"abbrevTitle":"RGJTXB","coverImgSrc":"journal/img/cover/RGJTXB.jpg","id":"57","issnPpub":"1000-985X","publisherId":"RGJTXB","title":"人工晶体学报"},"keywords":[{"id":"40cc4eba-ae18-4843-ad30-9498c01bd2d2","keyword":"枝晶","originalKeyword":"枝晶"},{"id":"2700618b-8fbc-4143-9882-e182246d4cc3","keyword":"枝晶形貌","originalKeyword":"枝晶形貌"},{"id":"94280bde-214d-4238-9ebc-51a4d3e53518","keyword":"枝晶生长","originalKeyword":"枝晶生长"},{"id":"f368cd56-bfee-4530-b55e-b35a41f50df8","keyword":"枝晶尖端","originalKeyword":"枝晶尖端"}],"language":"zh","publisherId":"rgjtxb982002050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采用连续性模型使界面区域内的物理性质不连续现象变成连续型过渡, 此外在界面区域内用平均溶质浓度来保证溶质守恒。模拟结果表明这种方法能够很好的处理固/液两相物理性质的差异, 显示凝固过程中枝晶的生长、界面失稳、二次枝晶臂、三次枝晶臂的演化和显微偏析。","authors":[{"authorName":"李强","id":"0f92b825-2c29-4cad-9e09-dbed7aacda4d","originalAuthorName":"李强"},{"authorName":"李殿中","id":"ec7d2906-0a02-4ab4-9a1d-0c9f9ed8d9c1","originalAuthorName":"李殿中"},{"authorName":"钱百年","id":"c9e54010-82c4-4c8f-a369-24913db9a967","originalAuthorName":"钱百年"}],"categoryName":"|","doi":"","fpage":"634","id":"1c7ed2ef-516e-4451-b262-559324c1a7a4","issue":"6","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"aa8c3341-d038-49a7-90dd-581413dfb130","keyword":"连续性模型","originalKeyword":"连续性模型"},{"id":"c235f4e5-fabc-4547-aa35-e09936a3f5be","keyword":"dendrite","originalKeyword":"dendrite"},{"id":"1a287ff5-ed60-4835-a768-bf6c6b47ce19","keyword":"solute concentration","originalKeyword":"solute concentration"}],"language":"zh","publisherId":"0412-1961_2004_6_13","title":"应用连续性方法模拟枝晶生长","volume":"40","year":"2004"},{"abstractinfo":"为了能够从微观尺度上准确的描述凝固过程中枝晶生长情况,采用连续性模型使界面区域内的物理性质不连续现象变成连续型过渡,此外在界面区域内用平均溶质浓度来保证溶质守恒.模拟结果表明这种方法能够很好的处理固/液两相物理性质的差异,显示凝固过程中枝晶的生长、界面失稳、二次枝晶臂、三次枝晶臂的演化和显微偏析.","authors":[{"authorName":"李强","id":"e4721153-60f6-4fab-92a3-1f816aa6c13a","originalAuthorName":"李强"},{"authorName":"李殿中","id":"01cb901c-450a-471d-8950-31fa88f6c164","originalAuthorName":"李殿中"},{"authorName":"钱百年","id":"721edd27-d3ad-4d84-8952-f30523eaf2af","originalAuthorName":"钱百年"}],"doi":"10.3321/j.issn:0412-1961.2004.06.015","fpage":"634","id":"f29b23c6-9f28-4129-9751-fd11312fd8dd","issue":"6","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"731588a8-024a-47da-8e5c-9f991db3e398","keyword":"连续性模型","originalKeyword":"连续性模型"},{"id":"040571b7-5b85-436f-859c-f9e898286dec","keyword":"枝晶演变","originalKeyword":"枝晶演变"},{"id":"e4893879-92cf-417a-aaf7-ad6e1095b854","keyword":"平均溶质浓度","originalKeyword":"平均溶质浓度"},{"id":"e404c591-6fa4-4613-88fe-983dc7b6a053","keyword":"显微偏析","originalKeyword":"显微偏析"}],"language":"zh","publisherId":"jsxb200406015","title":"应用连续性方法模拟枝晶生长","volume":"40","year":"2004"},{"abstractinfo":"对朱、洪已发展的一种微观尺度cellular automaton(CA)模型做了进一步改进.\n在改进的模型中用二元合金的Gibbs-Thomson方程建立固/液界面的平衡关系.\n考虑了动力学和表面能各向异性对枝晶择优生长方向的影响. 应用改进的模型\n模拟了不同择优取向的单枝晶在过冷熔体中的自由生长、定向凝固过程中柱状\n晶的竞争生长以及等轴晶的演变过程. 模拟结果表明, 改进后的模型成功地模\n拟出各种不同择优取向的单枝晶和多枝晶的生长形貌.","authors":[{"authorName":"朱鸣芳","id":"92b326be-5884-46c3-af31-c1976741be07","originalAuthorName":"朱鸣芳"},{"authorName":"陈","id":"ef80ea78-537b-4aa0-9c08-a88c351c3df7","originalAuthorName":"陈"},{"authorName":"晋","id":"fa194412-3932-4fa4-80a8-33ca8623c22e","originalAuthorName":"晋"},{"authorName":"孙国雄","id":"939ddf43-e38a-4be1-b4f3-57782061240f","originalAuthorName":"孙国雄"},{"authorName":"洪俊杓","id":"ad5b669b-252e-457a-b079-bf7f6e6abdb7","originalAuthorName":"洪俊杓"}],"categoryName":"|","doi":"","fpage":"583","id":"b7f9b084-9027-43b4-9768-80dc1b387bc0","issue":"6","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"081881cc-9b1a-4c69-b817-35e91b7ff177","keyword":"枝晶生长","originalKeyword":"枝晶生长"},{"id":"1f9c9cbf-2598-4eaf-a252-db809a4761fa","keyword":"modeling","originalKeyword":"modeling"}],"language":"zh","publisherId":"0412-1961_2005_6_6","title":"枝晶生长的数值模拟","volume":"41","year":"2005"},{"abstractinfo":"对朱、洪已发展的一种微观尺度cellular automaton(CA)模型做了进一步改进.在改进的模型中用二元合金的Gibbs-Thomson方程建立固/液界面的平衡关系.考虑了动力学和表面能各向异性对枝晶择优生长方向的影响.应用改进的模型模拟了不同择优取向的单枝晶在过冷熔体中的自由生长、定向凝固过程中柱状晶的竞争生长以及等轴晶的演变过程.模拟结果表明,改进后的模型成功地模拟出各种不同择优取向的单枝晶和多枝晶的生长形貌.","authors":[{"authorName":"朱鸣芳","id":"2f4a49a9-3979-418a-962a-973e493336d4","originalAuthorName":"朱鸣芳"},{"authorName":"陈晋","id":"ae353aa3-2863-40c7-bc64-1ed5099deb7f","originalAuthorName":"陈晋"},{"authorName":"孙国雄","id":"7cf4e8ad-3fa8-4c2c-af39-b49e17175715","originalAuthorName":"孙国雄"},{"authorName":"洪俊杓","id":"71945f12-e6e6-423e-a45d-a887e7301828","originalAuthorName":"洪俊杓"}],"doi":"10.3321/j.issn:0412-1961.2005.06.005","fpage":"583","id":"0b07a517-907b-41b0-b107-ff52ab6c3450","issue":"6","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"f1dc6587-887b-421b-8e66-83d9e516e897","keyword":"枝晶生长,数值模拟,cellular automaton 模型","originalKeyword":"枝晶生长,数值模拟,cellular automaton 模型"}],"language":"zh","publisherId":"jsxb200506005","title":"枝晶生长的数值模拟","volume":"41","year":"2005"},{"abstractinfo":"采用电化学沉积法制备了镍枝晶沉积物,考察了不同的试验参数对枝晶生长过程以及微观形貌的影响.结果表明,枝晶具有典型的自相似性,枝晶容易在高的电流密度下生长,电流密度高,提高了阴极过电位,有利于枝晶形成;电解液里Ni2浓度的增加,沉积层分型更加明显,制备的镍枝晶逐渐稀疏,分叉也相应减小.随着电解液温度的提高,沉积层由开放型向致密型转化.这是因为在很高电流密度下,很容易发生析氢反应,释放大量气泡;金属离子在气泡之间的空隙被还原形成多孔的沉积层.","authors":[{"authorName":"陈劲松","id":"c6505a5e-c9bb-47fc-bc96-93217c6b9fa1","originalAuthorName":"陈劲松"}],"doi":"","fpage":"1237","id":"50f6a1bf-f8e4-4dcd-8b84-0ddb5b9566e4","issue":"6","journal":{"abbrevTitle":"RGJTXB","coverImgSrc":"journal/img/cover/RGJTXB.jpg","id":"57","issnPpub":"1000-985X","publisherId":"RGJTXB","title":"人工晶体学报"},"keywords":[{"id":"eb1cd460-7d40-4664-89f0-d9bd64bc0be2","keyword":"电化学沉积","originalKeyword":"电化学沉积"},{"id":"891a0e6b-bf3f-474a-80dd-631a2c98dee3","keyword":"枝晶","originalKeyword":"枝晶"},{"id":"a0c50e86-a7b2-4f6b-afb1-20dd511d3a4b","keyword":"分型","originalKeyword":"分型"},{"id":"a7ce9cbe-6619-493c-b3d7-b7573c212bfc","keyword":"电流密度","originalKeyword":"电流密度"},{"id":"b4a5bf5f-714d-4e21-a9e0-1ac969ff90c9","keyword":"析氢反应","originalKeyword":"析氢反应"}],"language":"zh","publisherId":"rgjtxb98201306045","title":"电化学沉积法制备镍枝晶","volume":"42","year":"2013"}],"totalpage":3186,"totalrecord":31853}