{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"为了研究辊缝<span style=\"color:red\">收缩</span>对减轻板坯中心偏析的作用,采用数值模拟方法计算了板坯的温度场和<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>,分析了坯壳厚度和<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>量在冶金长度内的分布,建立了3种辊缝<span style=\"color:red\">收缩</span>实验方案并比较了其效果.结果表明,在<span style=\"color:red\">凝固</span>末端以前2～3个扇形段进行辊缝<span style=\"color:red\">收缩</span>有效减轻了板坯中心偏析,辊缝<span style=\"color:red\">收缩</span>量应略大于铸坯自由<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>量.","authors":[{"authorName":"马长文","id":"202c86b0-61a2-43ee-9689-8082ccb8bff9","originalAuthorName":"马长文"},{"authorName":"陈松林","id":"b17230a7-af79-4f8f-8852-4cb2fdeae893","originalAuthorName":"陈松林"},{"authorName":"郑天然","id":"293f39f9-e4d7-4353-a1fa-fcd32d6b57ee","originalAuthorName":"郑天然"},{"authorName":"杨晓山","id":"78e633cf-f6bd-4e6b-8dc3-2dc0d0a8939e","originalAuthorName":"杨晓山"}],"doi":"","fpage":"44","id":"2ac3a0b8-5c72-4d77-b559-15ba37da5269","issue":"3","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"d3d6d4dc-3dfe-47e3-8ce3-7143dcf1e954","keyword":"连铸板坯","originalKeyword":"连铸板坯"},{"id":"91877f1c-d0a5-41b3-84cb-b8c4499613ef","keyword":"<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>","originalKeyword":"凝固收缩"},{"id":"708f91e0-3bdc-4b25-b51f-e10950a36685","keyword":"辊缝","originalKeyword":"辊缝"},{"id":"1d10013a-6cd3-448c-af1b-5c51f8d3b419","keyword":"中心偏析","originalKeyword":"中心偏析"}],"language":"zh","publisherId":"gt200803010","title":"基于<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>的板坯铸机辊缝研究","volume":"43","year":"2008"},{"abstractinfo":"基于Fe-C合金的微观组织结构,建立了碳钢线性热膨胀系数计算模型,计算出不同碳含量的钢种在不同温度下的瞬时线性热膨胀系数,并将计算值应用于铸坯热-弹-塑性应力模型,研究了包晶相变对连铸坯初生坯壳<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>的影响.模拟结果表明:浇铸碳含量在0.1 %附近的包晶钢时,初生坯壳在靠近弯月面区域和角部区域的<span style=\"color:red\">收缩</span>很不规则,容易诱发表面缺陷.","authors":[{"authorName":"荆德君","id":"1210481b-88a0-4ca2-b049-95dbd5d64dc7","originalAuthorName":"荆德君"},{"authorName":"刘中柱","id":"6087dd92-56cc-41f0-a812-f5229b3a11c9","originalAuthorName":"刘中柱"},{"authorName":"蔡开科","id":"97ac27ca-d282-4531-bc97-0e94b562c427","originalAuthorName":"蔡开科"}],"doi":"","fpage":"9","id":"498e8fdf-809b-4367-a6d2-1afd93dbbaac","issue":"3","journal":{"abbrevTitle":"GTYJXB","coverImgSrc":"journal/img/cover/GTYJXB.jpg","id":"30","issnPpub":"1001-0963","publisherId":"GTYJXB","title":"钢铁研究学报"},"keywords":[{"id":"638ff447-56e4-4be2-b0ce-e076a7b013b3","keyword":"连铸","originalKeyword":"连铸"},{"id":"6533bca1-a48a-45b7-8a99-de9b3d1b5baa","keyword":"铸坯","originalKeyword":"铸坯"},{"id":"e0e398c3-1def-469f-80fd-ba384b742777","keyword":"包晶相变","originalKeyword":"包晶相变"},{"id":"5c234d5f-4470-4c48-a648-67a006364e39","keyword":"热膨胀系数","originalKeyword":"热膨胀系数"},{"id":"d3275b4d-3c85-40b8-81d0-4957d5baca5e","keyword":"热-弹-塑性应力模型","originalKeyword":"热-弹-塑性应力模型"},{"id":"368650ba-f333-4d42-855e-828e35deeba6","keyword":"<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>","originalKeyword":"凝固收缩"}],"language":"zh","publisherId":"gtyjxb199903003","title":"包晶相变对连铸坯初生坯壳<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>的影响","volume":"11","year":"1999"},{"abstractinfo":"利用ANSYS商业有限元软件,建立了板坯连铸结晶器二维<span style=\"color:red\">凝固</span>传热数学模型.采用传热和应力、应变直接耦合的方法,对结晶器内钢液在浇铸过程中的<span style=\"color:red\">凝固</span>传热进行了数值模拟分析,并对同一拉速下的3个典型钢种和同一钢种在不同拉速下的铸坯窄面温度分布和<span style=\"color:red\">收缩</span>量进行了讨论.结果表明:在结晶器出口处,3个钢种板坯窄面中心温度高低顺序为:X70＞SS400/D36;3个钢种板坯窄面中心<span style=\"color:red\">收缩</span>量大小顺序均为:X70＞D36＞SS400;同一钢种的拉速增加0.1m/min,铸坯窄面中心温度升高23.75℃.","authors":[{"authorName":"王卫华","id":"eee3d837-bf75-4688-b995-92fd75937b4d","originalAuthorName":"王卫华"},{"authorName":"刘洋","id":"fc5e11e4-8fa1-4d9d-adce-6c5a4e5ee6e2","originalAuthorName":"刘洋"},{"authorName":"王文军","id":"ce4c32ba-2909-4df9-93cd-880529422769","originalAuthorName":"王文军"},{"authorName":"陈霞","id":"c140a32b-f93a-48be-9b80-93c01338959f","originalAuthorName":"陈霞"}],"doi":"","fpage":"26","id":"356a29d0-a84d-4213-be47-8f0ebf949063","issue":"6","journal":{"abbrevTitle":"GTYJ","coverImgSrc":"journal/img/cover/GTYJ.jpg","id":"29","issnPpub":"1001-1447","publisherId":"GTYJ","title":"钢铁研究"},"keywords":[{"id":"9a0880f2-c7e2-4612-92ac-0db3596fcd53","keyword":"铸坯","originalKeyword":"铸坯"},{"id":"d51cb39d-c1ec-40c8-a1c9-547c6baeb887","keyword":"结晶器","originalKeyword":"结晶器"},{"id":"8853d36b-ccb9-4040-bac4-7bcf083c75ad","keyword":"<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>","originalKeyword":"凝固收缩"},{"id":"12210401-d739-43c2-af9c-9a29a544884e","keyword":"数值模拟","originalKeyword":"数值模拟"}],"language":"zh","publisherId":"gtyj201406007","title":"板坯连铸结晶器内坯壳<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>的数值模拟","volume":"42","year":"2014"},{"abstractinfo":"在热力学基础上建立了Mg-9Al合金的铸造<span style=\"color:red\">凝固</span>模型.考察了Mg-9Al合金在铸造<span style=\"color:red\">凝固</span>条件下的固相分数、体积<span style=\"color:red\">收缩</span>和微观偏析行为.模拟结果表明,在本<span style=\"color:red\">凝固</span>条件下,合金实际<span style=\"color:red\">凝固</span>结束温度在共晶温度附近而不是固相线温度.<span style=\"color:red\">凝固</span>过程中的体积变化也是非线性的,在<span style=\"color:red\">凝固</span>初始阶段<span style=\"color:red\">收缩</span>较大:当剩余液相到达共晶成分时<span style=\"color:red\">收缩</span>较小.在<span style=\"color:red\">凝固</span>后期由于发生共晶转变.产生副烈的<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>模拟结果与实验测试相符合.","authors":[{"authorName":"王业双","id":"73172d8c-dffd-431a-846e-11262f7ca9a9","originalAuthorName":"王业双"},{"authorName":"张咏波","id":"44ade38e-f8af-4172-bc7a-6d302aa9d2fc","originalAuthorName":"张咏波"},{"authorName":"王渠东","id":"994faeb8-e304-4889-9173-29c0da457e28","originalAuthorName":"王渠东"},{"authorName":"马春江","id":"9c56bfeb-aa80-4625-8438-f22dace5df97","originalAuthorName":"马春江"},{"authorName":"丁文江","id":"f3573aa8-674e-42de-84fb-7ecdf73bbc25","originalAuthorName":"丁文江"},{"authorName":"朱燕萍","id":"c258ec66-281c-4505-8d38-8e8c07061a26","originalAuthorName":"朱燕萍"}],"doi":"10.3321/j.issn:0412-1961.2002.05.019","fpage":"539","id":"e0f33fd7-703a-4f98-a0ec-70a0bc22b1a9","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":"0c421044-7a32-4c14-8725-2e07f46fccbb","keyword":"Mg-Al合金","originalKeyword":"Mg-Al合金"},{"id":"ab62e5dc-864b-450f-aaf5-d165c7d83074","keyword":"数学模型","originalKeyword":"数学模型"},{"id":"4b52f02b-db0c-4e5a-84d7-fc8359f2a630","keyword":"<span style=\"color:red\">凝固</span>","originalKeyword":"凝固"},{"id":"b4d850d2-de86-46b3-96e2-6a6b262763ad","keyword":"<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>","originalKeyword":"凝固收缩"}],"language":"zh","publisherId":"jsxb200205019","title":"Mg-9Al合金铸造<span style=\"color:red\">凝固</span>模型","volume":"38","year":"2002"},{"abstractinfo":"为优化设计新型圆坯结晶器铜管结构,提高结晶器寿命和铸坯质量,利用商业有限元软件ANSYSTM建立二维连铸结晶器内钢水<span style=\"color:red\">凝固</span>传热及弹塑性应力有限元瞬态分析模型,铸坯传热边界采用与气隙相关的热流密度修正函数,建立与温度相关的热物性参数、力学性能和屈服函数,并利用多场间接耦合的方式对不同工况下的4种圆坯在结晶器内的<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>变形过程进行数值模拟.结果表明,钢种和工况条件对铸坯边界<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>过程影响显著,6瓣模型为4种计算模型的最优形状,依据铸坯边界<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>曲线和新型结晶器设计准则,新型结晶器铜管结构设计采用凸型花瓣状内腔和大锥度设计.","authors":[{"authorName":"蔡少武","id":"d2afba21-ee31-42ef-bd9f-c788076f15fa","originalAuthorName":"蔡少武"},{"authorName":"王同敏","id":"1baf47e7-b2cf-41e2-9be9-3e817a722001","originalAuthorName":"王同敏"},{"authorName":"徐军","id":"fe373412-b009-4b6e-bc57-87677c949d11","originalAuthorName":"徐军"},{"authorName":"许菁菁","id":"ad859113-551c-47d8-b37f-8a470a7388bc","originalAuthorName":"许菁菁"},{"authorName":"曹志强","id":"244f4e96-90a4-4b6f-ab6d-b8800a9c18ec","originalAuthorName":"曹志强"},{"authorName":"李廷举","id":"e4c41445-3630-4229-ab84-0dcf1914888c","originalAuthorName":"李廷举"}],"doi":"","fpage":"499","id":"94a68ff7-dc4f-41a1-943b-3ebf53a5a5b1","issue":"4","journal":{"abbrevTitle":"CLKXYGY","coverImgSrc":"journal/img/cover/CLKXYGY.jpg","id":"14","issnPpub":"1005-0299","publisherId":"CLKXYGY","title":"材料科学与工艺"},"keywords":[{"id":"52a25db8-4e1c-4e2c-92d7-6741a22ac28d","keyword":"<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>","originalKeyword":"凝固收缩"},{"id":"cd4ea00b-6cfa-4f39-bc63-e8c399e02729","keyword":"凸型花瓣","originalKeyword":"凸型花瓣"},{"id":"a26aff72-3120-487d-bbf8-61c423b0377b","keyword":"大锥度","originalKeyword":"大锥度"},{"id":"bef8dac0-3960-4bb7-b9e0-d2302e1f0fd4","keyword":"数值模拟","originalKeyword":"数值模拟"}],"language":"zh","publisherId":"clkxygy201004013","title":"新型圆坯结晶器铜管结构模拟优化设计","volume":"18","year":"2010"},{"abstractinfo":"利用Gleeble-3800热模拟实验机研究了1Cr18Ni9Ti奥氏体不锈钢从糊状区以不同速率冷却到不同温度时的高温力学性能.研究表明,零强度温度(Zero Strength Temperature)和零塑性温度(Zero Ductility Temperature)的温差小于20 ℃,大的冷却速率可以改善1Cr18Ni9Ti不锈钢在1300 ℃以上时的热塑性.<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>和金属液的补缩作用对1Cr18Ni9Ti钢的高温力学性能有很大影响,随着固相率的升高,材料在拉伸破坏时由沿晶断裂转变为穿晶断裂方式.","authors":[{"authorName":"梁建平","id":"d8eef804-b425-4dcb-831b-dd2192a50c1f","originalAuthorName":"梁建平"},{"authorName":"刘旭峰","id":"98e20f7e-bea3-4e40-b129-07522987293b","originalAuthorName":"刘旭峰"},{"authorName":"王立新","id":"59cb1ea3-caf8-47f0-a7e6-eecb82b2243b","originalAuthorName":"王立新"},{"authorName":"翟启杰","id":"3d77ba00-22ed-4e35-bcce-41d91a31edc1","originalAuthorName":"翟启杰"}],"doi":"","fpage":"56","id":"32471266-1206-4027-9246-688cbafcb8e0","issue":"3","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"ffc1d6d6-df4b-4edb-8105-87689f7928a2","keyword":"奥氏体不锈钢","originalKeyword":"奥氏体不锈钢"},{"id":"bc64ec76-4cc8-4c71-bb09-eaa78a2f50c7","keyword":"冷却速率","originalKeyword":"冷却速率"},{"id":"1e250188-43fc-4a84-aae3-67fe4e5d26a0","keyword":"高温力学性能","originalKeyword":"高温力学性能"},{"id":"631c92e5-3f23-4afd-a375-6518e6e2636d","keyword":"<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>","originalKeyword":"凝固收缩"},{"id":"99c7bd0f-a381-403a-ba6d-8b6972327e1b","keyword":"补缩能力","originalKeyword":"补缩能力"}],"language":"zh","publisherId":"gt200703015","title":"冷却速率对1Cr18Ni9Ti钢高温力学性能的影响","volume":"42","year":"2007"},{"abstractinfo":"为了研究辊缝<span style=\"color:red\">收缩</span>对减轻板坯中心偏析的作用，采用数值模拟方法计算了板坯的温度场和<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>，分析了坯壳厚度和<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>量在冶金长度内的分布，建立了3种辊缝<span style=\"color:red\">收缩</span>实验方案并比较了其效果。结果表明，在<span style=\"color:red\">凝固</span>末端以前2～3个扇形段进行辊缝<span style=\"color:red\">收缩</span>有效减轻了板坯中心偏析，辊缝<span style=\"color:red\">收缩</span>量应略大于铸坯自由<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>量。","authors":[{"authorName":"马长文","id":"cdc84930-8aef-419a-9dd4-a6a80f225f7b","originalAuthorName":"马长文"},{"authorName":"陈松林","id":"e3506723-774f-4315-b1b3-ff0f1b752f34","originalAuthorName":"陈松林"},{"authorName":"郑天然","id":"e70540ba-0893-4f7d-852d-dc01ac29a421","originalAuthorName":"郑天然"},{"authorName":"杨晓山","id":"7b85d5bd-626a-47fd-8c65-d07c626bcb36","originalAuthorName":"杨晓山"}],"categoryName":"|","doi":"","fpage":"44","id":"a477e1a3-f40b-410a-931b-698779facd9b","issue":"3","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"fe65c03f-23c9-438c-957d-3bd11326a4d9","keyword":"连铸板坯;<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>;辊缝;中心偏析","originalKeyword":"连铸板坯;凝固收缩;辊缝;中心偏析"}],"language":"zh","publisherId":"0449-749X_2008_3_11","title":"基于<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>的板坯铸机辊缝研究","volume":"43","year":"2008"},{"abstractinfo":"对w(C)=0.1%和w(C)=0.18%时包晶反应的<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>进行了阐述.","authors":[{"authorName":"卢盛意","id":"f6a4f00f-7794-44a2-831d-f373593c3561","originalAuthorName":"卢盛意"}],"doi":"","fpage":"31","id":"0ab28380-af0a-410c-b533-b7fa98d3b766","issue":"5","journal":{"abbrevTitle":"LZ","coverImgSrc":"journal/img/cover/LZ.jpg","id":"52","issnPpub":"1005-4006","publisherId":"LZ","title":"连铸"},"keywords":[{"id":"01864722-bad9-436a-a1c6-9ba589f83ecc","keyword":"包晶反应","originalKeyword":"包晶反应"},{"id":"d89154d7-b116-4559-aaaa-4b46d722e47e","keyword":"线<span style=\"color:red\">收缩</span>","originalKeyword":"线收缩"},{"id":"a4e0e054-18f4-46f3-bd8b-13cf2b95aef9","keyword":"固液两相区","originalKeyword":"固液两相区"}],"language":"zh","publisherId":"lz200805012","title":"包晶钢的碳含量及相关的<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>","volume":"","year":"2008"},{"abstractinfo":"根据钢铸态热膨胀特性及实际过程中钢的连铸工艺特点，建立基于<span style=\"color:red\">凝固</span>传热与自由热<span style=\"color:red\">收缩</span>耦合的自由热<span style=\"color:red\">收缩</span>有限差分计算模型。利用该模型系统研究了铸坯自由热<span style=\"color:red\">收缩</span>行为沿铸流上的分布以及不同钢种之间<span style=\"color:red\">凝固</span>自由热<span style=\"color:red\">收缩</span>行为。研究表明，铸坯在中心全液相、两相和全<span style=\"color:red\">凝固</span>阶段表现的自由热<span style=\"color:red\">收缩</span>行为呈现不同规律；不同钢种的<span style=\"color:red\">凝固</span>自由热<span style=\"color:red\">收缩</span>量沿拉坯方向上的分布也相应存在差异。该模型可为制定不同钢种和断面的连铸辊缝控制工艺与轻压下工艺提供理论依据。","authors":[{"authorName":"钱宏智","id":"0be468d7-7516-4ad0-b2d1-61683a59f5e4","originalAuthorName":"钱宏智"},{"authorName":"杜辰伟","id":"0c5b42be-6434-4894-a086-acedac7a7a0f","originalAuthorName":"杜辰伟"},{"authorName":"胡丕俊","id":"8f0c65fc-c397-4a4f-a544-d8e2317a15fc","originalAuthorName":"胡丕俊"},{"authorName":"张家泉","id":"cdeb7c40-30b5-4802-a6ee-31315fadf0ea","originalAuthorName":"张家泉"},{"authorName":"廖慧","id":"3c20241d-f47a-4da8-8718-58449d551a9f","originalAuthorName":"廖慧"}],"doi":"10.13228/j.boyuan.issn1001-0963.20150263","fpage":"27","id":"63cb7265-4af3-4414-8756-150a1ed32a58","issue":"8","journal":{"abbrevTitle":"GTYJXB","coverImgSrc":"journal/img/cover/GTYJXB.jpg","id":"30","issnPpub":"1001-0963","publisherId":"GTYJXB","title":"钢铁研究学报"},"keywords":[{"id":"8dc675db-1f46-47aa-9afd-60d395455580","keyword":"连铸","originalKeyword":"连铸"},{"id":"e27fb4e5-79c7-4fbd-b783-c2ef23ce6e42","keyword":"<span style=\"color:red\">凝固</span>","originalKeyword":"凝固"},{"id":"a6266c9d-a737-4823-94c1-0d90327f9998","keyword":"数学模型","originalKeyword":"数学模型"},{"id":"39ef11a8-11ae-442c-bad0-323a44b7ec1a","keyword":"自由热<span style=\"color:red\">收缩</span>","originalKeyword":"自由热收缩"}],"language":"zh","publisherId":"gtyjxb201608007","title":"板坯连铸<span style=\"color:red\">凝固</span>过程中的自由热<span style=\"color:red\">收缩</span>行为","volume":"28","year":"2016"},{"abstractinfo":"通过对CSP、FTSC工艺结晶器内腔形状、结晶器冷却方式的对比,以及结晶器内坯壳应力分析,找出两种工艺结晶器对不同钢种有适应性的原因.","authors":[{"authorName":"李军明","id":"bc35add8-e6ea-44a7-990f-36fa32451b75","originalAuthorName":"李军明"}],"doi":"10.3969/j.issn.1005-4006.2007.05.002","fpage":"6","id":"f5ee8838-56d2-4a4e-a8f0-74758334dad6","issue":"5","journal":{"abbrevTitle":"LZ","coverImgSrc":"journal/img/cover/LZ.jpg","id":"52","issnPpub":"1005-4006","publisherId":"LZ","title":"连铸"},"keywords":[{"id":"17e5d585-d956-44fc-99ad-3fa59430b3db","keyword":"薄板坯连铸","originalKeyword":"薄板坯连铸"},{"id":"a1ad09f9-8572-4c9e-a472-670b1442efb6","keyword":"漏斗曲面","originalKeyword":"漏斗曲面"},{"id":"a4698ae7-bbc1-420c-b3f7-b4327a5ab98e","keyword":"<span style=\"color:red\">凝固</span><span style=\"color:red\">收缩</span>","originalKeyword":"凝固收缩"},{"id":"08d28b6d-678f-4d60-8fb0-efae48e7bcba","keyword":"矫直弯曲应力","originalKeyword":"矫直弯曲应力"}],"language":"zh","publisherId":"lz200705002","title":"浅析薄板坯连铸结晶器对钢种的适应性","volume":"","year":"2007"}],"totalpage":586,"totalrecord":5851}