{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"以自制稀土化合物作聚酯酯交换和缩聚复合催化剂,对各工艺参数进行分析,并对产品性能进行测试和表征.结果表明,稀土化合物可作为聚酯酯交换的催化剂和缩聚助催化剂,使用稀土/三氧化二锑复合催化剂,能有效提高反应效率,缩短反应时间,降低酯交换开始温度；分子量和分子量分布优于常规聚酯,且产品色相优于普通三氧化二锑催化所得聚酯,等温结晶规律与常规聚酯类似,但结晶能力有所提高,结晶度和晶粒尺寸比普通三氧化二锑催化所得聚酯高,且有机稀土比无机稀土催化效率更高,催化剂中添加17％的稀土化合物就能获得满意的效果.","authors":[{"authorName":"王连军","id":"b474fa16-dd4d-4fe8-9902-e8869bb23e23","originalAuthorName":"王连军"},{"authorName":"<span style=\"color:red\">周</span><span style=\"color:red\">衡</span><span style=\"color:red\">书</span>","id":"c6538f69-d1b1-4c7c-a57e-735b3330d643","originalAuthorName":"周衡书"},{"authorName":"郑豪","id":"cbb3175a-7c42-4c7c-8bf2-06d1fef11c4a","originalAuthorName":"郑豪"},{"authorName":"徐淼","id":"c3311891-1dbb-4107-9042-b8bb57e4504c","originalAuthorName":"徐淼"},{"authorName":"易兵","id":"071c8f2a-1f70-462d-9514-2594f491e9f5","originalAuthorName":"易兵"}],"doi":"","fpage":"51","id":"47651481-bbd1-488e-ad0f-79aa5ff07c9d","issue":"5","journal":{"abbrevTitle":"XT","coverImgSrc":"journal/img/cover/XT.jpg","id":"65","issnPpub":"1004-0277","publisherId":"XT","title":"稀土"},"keywords":[{"id":"451711ce-6d21-46d1-88b1-416a1b7b58ba","keyword":"稀土","originalKeyword":"稀土"},{"id":"be3362bf-3a26-48ab-86da-bdb5aeb688f2","keyword":"催化剂","originalKeyword":"催化剂"},{"id":"1b04b3cc-6e8d-4425-84fd-434885fd88c5","keyword":"酯交换和缩聚","originalKeyword":"酯交换和缩聚"},{"id":"a553994c-fad7-48a0-8367-5674b4853b8c","keyword":"色值","originalKeyword":"色值"},{"id":"5d67873c-7c58-4ef3-908b-cb51aef4d247","keyword":"等温结晶","originalKeyword":"等温结晶"},{"id":"e553da65-29fa-44b9-a45d-6b97a1136f55","keyword":"结晶度","originalKeyword":"结晶度"}],"language":"zh","publisherId":"xitu201305011","title":"稀土复合催化剂对聚酯酯交换和缩聚的影响","volume":"34","year":"2013"},{"abstractinfo":"综述不锈钢AOD精炼过程热量<span style=\"color:red\">衡</span>算模型的发展, 分析了这些模型的成功与不足,指出进一步深入研究该精炼过程的传热特性具有重要的理论和实践意义.","authors":[{"authorName":"曹英","id":"dc8a34dd-b439-410a-8956-2e2585468854","originalAuthorName":"曹英"},{"authorName":"朱宏利","id":"279d786d-9373-4230-9afa-ee5b21deac02","originalAuthorName":"朱宏利"},{"authorName":"魏季和","id":"8b969a2d-ac8b-450e-875e-8cac7f7f7f29","originalAuthorName":"魏季和"},{"authorName":"史国敏","id":"fbc79508-545f-470c-826f-845cc46be26e","originalAuthorName":"史国敏"},{"authorName":"江庆元","id":"b73a00df-64c8-490b-9ab6-56cdada2a5db","originalAuthorName":"江庆元"},{"authorName":"池和冰","id":"2a4f55c3-5add-4485-acc1-e062d26176c4","originalAuthorName":"池和冰"},{"authorName":"车立兵","id":"c4c9e200-29f6-447e-a09f-43ca70a973a9","originalAuthorName":"车立兵"},{"authorName":"张恺","id":"a3e5c24a-762b-4fb6-a3d7-5555b2c32752","originalAuthorName":"张恺"}],"doi":"10.3969/j.issn.1001-7208.2005.03.012","fpage":"46","id":"35a78074-eb6f-4b5e-9e23-d23dbf8da1b2","issue":"3","journal":{"abbrevTitle":"SHJS","coverImgSrc":"journal/img/cover/SHJS.jpg","id":"59","issnPpub":"1001-7208","publisherId":"SHJS","title":"上海金属"},"keywords":[{"id":"95dacc4b-d5eb-4854-a9d1-b09d2e9d916b","keyword":"不锈钢","originalKeyword":"不锈钢"},{"id":"eb7a9cf4-24a7-4474-9ea7-733e6efec7e9","keyword":"AOD精炼过程","originalKeyword":"AOD精炼过程"},{"id":"75754890-5a43-426b-be5c-d45a3b811f6f","keyword":"传热","originalKeyword":"传热"},{"id":"d58c65c1-3d1b-4f2a-bc96-0ac66a91f2c9","keyword":"热量<span style=\"color:red\">衡</span>算","originalKeyword":"热量衡算"}],"language":"zh","publisherId":"shjs200503012","title":"不锈钢AOD精炼过程热量<span style=\"color:red\">衡</span>算模型的进展","volume":"27","year":"2005"},{"abstractinfo":"介绍了<span style=\"color:red\">衡</span>钢2号水平连铸机进行φ180mm圆管坯扩规改造的实践经验,通过重新设计结晶器、改造拉坯系统、优化生产工艺、采用电磁搅拌及二冷喷水冷却技术,成功地生产出合格的φ180mm圆管坯,铸坯合格率达到99.62%.","authors":[{"authorName":"朱庆桂","id":"eed6ed7d-8bf7-464e-a61b-d5c4a069ef78","originalAuthorName":"朱庆桂"},{"authorName":"陈民强","id":"b37a5992-5830-47ec-bbe7-791d9cc5f424","originalAuthorName":"陈民强"}],"doi":"","fpage":"49","id":"ae9ed917-4217-4634-b659-f358e4db11c8","issue":"1","journal":{"abbrevTitle":"GTYJ","coverImgSrc":"journal/img/cover/GTYJ.jpg","id":"29","issnPpub":"1001-1447","publisherId":"GTYJ","title":"钢铁研究"},"keywords":[{"id":"ba12c206-b366-414f-aa47-f614fa91f324","keyword":"水平连铸","originalKeyword":"水平连铸"},{"id":"ad369525-ab7f-472e-8a0c-e561dca9d91a","keyword":"180mm圆管坯","originalKeyword":"180mm圆管坯"},{"id":"1a84614f-d4aa-4e18-96df-d9a964e03523","keyword":"改造方案","originalKeyword":"改造方案"},{"id":"643abbd9-f2fb-4596-b6e5-b1dfa87055a2","keyword":"生产实践","originalKeyword":"生产实践"}],"language":"zh","publisherId":"gtyj200901015","title":"<span style=\"color:red\">衡</span>钢φ180mm水平连铸圆管坯扩规改造实践","volume":"37","year":"2009"},{"abstractinfo":"为提高汽车<span style=\"color:red\">衡</span>用2Cr13马氏体不锈钢连接件使用寿命,采用显微组织观察和有限元技术分析了连接件的失效特征和应力分布,对其热处理工艺进行了改进,通过力学性能试验、应力腐蚀试验和疲劳试验等对比了连接件热处理工艺的改进效果.结果表明:因原热处理工艺不当,造成连接件应力腐蚀抗力和强韧性不足;工艺改进后,连接件应力腐蚀敏感指数从原来的51.1%降低到11.4%,综合力学性能得到大幅度提高,可满足连接件设计和使用要求.","authors":[{"authorName":"朱向群","id":"7054e01e-333c-4685-a35c-b89b44bd9557","originalAuthorName":"朱向群"},{"authorName":"戴起勋","id":"6dc3a594-6a4e-4caa-a8a1-a1a5d572ef14","originalAuthorName":"戴起勋"},{"authorName":"<span style=\"color:red\">周</span>明","id":"804d60aa-1b84-47a1-be12-ea389fbc0154","originalAuthorName":"周明"},{"authorName":"杨莉","id":"6e27a053-05de-4532-b63d-f8c19ee7ba54","originalAuthorName":"杨莉"}],"doi":"10.3969/j.issn.1000-3738.2008.06.022","fpage":"74","id":"76effbe6-caac-43b1-ac02-2da522101e9a","issue":"6","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":"d1060520-b367-47ff-9999-cb183f8aba96","keyword":"2Cr13马氏体不锈钢","originalKeyword":"2Cr13马氏体不锈钢"},{"id":"de8b9d10-416d-44d0-aa67-efbab7e9581a","keyword":"连接件","originalKeyword":"连接件"},{"id":"e041a542-d67c-41e4-ad55-807b5a7f325a","keyword":"热处理工艺","originalKeyword":"热处理工艺"}],"language":"zh","publisherId":"jxgccl200806022","title":"汽车<span style=\"color:red\">衡</span>用马氏体不锈钢连接件热处理工艺改进","volume":"32","year":"2008"},{"abstractinfo":"论述了超高<span style=\"color:red\">周</span>疲劳研究的背景及意义,总结了近年来超高<span style=\"color:red\">周</span>疲劳的研究成果包括超高<span style=\"color:red\">周</span>疲劳的典型特征如S-N曲线、裂纹起源、起裂机理、影响超高<span style=\"color:red\">周</span>疲劳行为的因素等,介绍了超高<span style=\"color:red\">周</span>疲劳的常用实验手段,提出了今后超高<span style=\"color:red\">周</span>疲劳研究的课题.","authors":[{"authorName":"关昕","id":"0ac19842-8b56-426f-8905-2388e7a25b47","originalAuthorName":"关昕"},{"authorName":"孟延军","id":"58d24d51-0717-4882-bcd8-6c2afb28dd18","originalAuthorName":"孟延军"}],"doi":"","fpage":"58","id":"e4637bac-c1ab-4be4-843c-0b2fc9d06e80","issue":"1","journal":{"abbrevTitle":"GTYJ","coverImgSrc":"journal/img/cover/GTYJ.jpg","id":"29","issnPpub":"1001-1447","publisherId":"GTYJ","title":"钢铁研究"},"keywords":[{"id":"fc7ed857-e1c0-43de-9636-ad6114993fd8","keyword":"超高<span style=\"color:red\">周</span>疲劳","originalKeyword":"超高周疲劳"},{"id":"10ad3e45-0a4e-4eb7-9a69-588ccacf882e","keyword":"S-N曲线","originalKeyword":"S-N曲线"},{"id":"8217367e-ada6-4836-a546-fc39c08018ab","keyword":"疲劳裂纹萌生","originalKeyword":"疲劳裂纹萌生"},{"id":"6ef2ce57-4acd-4632-a6d5-c41726a86dba","keyword":"超声疲劳实验","originalKeyword":"超声疲劳实验"}],"language":"zh","publisherId":"gtyj200901018","title":"超高<span style=\"color:red\">周</span>疲劳的研究进展","volume":"37","year":"2009"},{"abstractinfo":"研究了不同温度下TC17合金低<span style=\"color:red\">周</span>疲劳性能和断口形貌,确定了不同温度下合金低<span style=\"color:red\">周</span>疲劳曲线的数学表达式,分析了合金棒材低<span style=\"color:red\">周</span>疲劳断口形貌特征.","authors":[{"authorName":"张翥","id":"08f7ef9f-76b4-43b4-a22c-5e4c97332d9c","originalAuthorName":"张翥"},{"authorName":"惠松骁","id":"95300b8b-74b1-4a44-9a99-d5da348d9ace","originalAuthorName":"惠松骁"},{"authorName":"路纲","id":"b4d1bce2-6620-453b-ab68-5919f79cf6a5","originalAuthorName":"路纲"}],"doi":"10.3321/j.issn:0412-1961.2002.z1.079","fpage":"267","id":"5245b7d9-ad01-42aa-96ae-965e18ec3e68","issue":"z1","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"1ab386e7-9137-42ac-932c-aad72f085293","keyword":"低<span style=\"color:red\">周</span>疲劳","originalKeyword":"低周疲劳"},{"id":"707dc835-b982-4d1a-8bac-aaf2daa1a891","keyword":"断口形貌","originalKeyword":"断口形貌"},{"id":"84cd2432-b6a6-470a-93bc-ec98a918a3b5","keyword":"TC17钛合金","originalKeyword":"TC17钛合金"}],"language":"zh","publisherId":"jsxb2002z1079","title":"TC17合金低<span style=\"color:red\">周</span>疲劳性能与低<span style=\"color:red\">周</span>疲劳断口形貌","volume":"38","year":"2002"},{"abstractinfo":"对高<span style=\"color:red\">周</span>疲劳和低<span style=\"color:red\">周</span>疲劳寿命预测模型进行了研究,提出了一种能够将高<span style=\"color:red\">周</span>疲劳和低<span style=\"color:red\">周</span>疲劳统一表征的能量形式参量.用统一的能量形式表征参量对高温合金GH141的760℃高<span style=\"color:red\">周</span>疲劳和低<span style=\"color:red\">周</span>疲劳数据进行处理,得到理想的能量-寿命方程.用1Cr11Ni2W2MoV钢500℃和粉末盘材料FGH95的600℃高温低<span style=\"color:red\">周</span>疲劳和高<span style=\"color:red\">周</span>疲劳数据对统一表征方法进行验证,验证结果表明,用能量形式的表征参量能够得到理想的能量-寿命方程.","authors":[{"authorName":"许超","id":"b736c564-a712-4cae-ba28-e1f545e3fbee","originalAuthorName":"许超"},{"authorName":"张国栋","id":"1c3a219e-8948-44a2-ac77-d7a1db019a04","originalAuthorName":"张国栋"},{"authorName":"苏彬","id":"115a0fbf-8817-41cd-8719-b1cf173341c4","originalAuthorName":"苏彬"}],"doi":"10.3969/j.issn.1001-4381.2007.08.016","fpage":"65","id":"90ae7451-07db-49d8-bc65-8529908ec2cb","issue":"8","journal":{"abbrevTitle":"CLGC","coverImgSrc":"journal/img/cover/CLGC.jpg","id":"9","issnPpub":"1001-4381","publisherId":"CLGC","title":"材料工程"},"keywords":[{"id":"fa75e230-7af7-47c8-af9d-3a42d6a0957a","keyword":"高<span style=\"color:red\">周</span>疲劳","originalKeyword":"高周疲劳"},{"id":"fff773bd-ef31-49d2-a540-5c0587429d8e","keyword":"低<span style=\"color:red\">周</span>疲劳","originalKeyword":"低周疲劳"},{"id":"7e70aa0a-f69e-49d8-90a4-c7e78e1e84d8","keyword":"寿命预测","originalKeyword":"寿命预测"},{"id":"120f5885-b123-425d-9772-e00834ea620b","keyword":"能量表征","originalKeyword":"能量表征"},{"id":"2778e939-7c24-4364-bc09-9b7d01d11edf","keyword":"高温合金","originalKeyword":"高温合金"}],"language":"zh","publisherId":"clgc200708016","title":"高<span style=\"color:red\">周</span>疲劳和低<span style=\"color:red\">周</span>疲劳统一的能量表征方法研究","volume":"","year":"2007"},{"abstractinfo":"分析了金属材料超高<span style=\"color:red\">周</span>疲劳断口形貌特征,介绍了基于Paris公式的裂纹扩展寿命预测模型和基于位错理论的疲劳裂纹萌生寿命预测模型,并结合前期有关金属材料超高<span style=\"color:red\">周</span>疲劳行为的试验数据,对2种预测模型的误差进行分析.结果表明,基于位错理论的寿命预测模型较为准确;而基于Paris公式的裂纹扩展寿命预测模型,其预测精度随着疲劳寿命的增加而降低,即材料组织缺陷萌生成为疲劳裂纹阶段占据疲劳寿命的绝大部分.在此基础上,提出了超高<span style=\"color:red\">周</span>疲劳寿命预测的研究方向:疲劳裂纹的萌生机制,特别是裂纹源表面萌生和内部萌生的竞争性机制;建立大样本数据,结合统计学方法,以工程构件的服役安全性和可靠性为基础,精确评价超高<span style=\"color:red\">周</span>疲劳寿命.","authors":[{"authorName":"宋亚南","id":"a3f57d8d-e363-4060-b147-c679dc69b63c","originalAuthorName":"宋亚南"},{"authorName":"徐滨士","id":"420e93bc-bf6e-4637-8f47-a160b0081bae","originalAuthorName":"徐滨士"},{"authorName":"王海斗","id":"1ae8eda4-1c15-49a9-a0ed-b1d1cf5cb8f5","originalAuthorName":"王海斗"},{"authorName":"张玉波","id":"0da25032-c90c-4137-940f-b98b99e26de9","originalAuthorName":"张玉波"},{"authorName":"邢志国","id":"ba8df743-30b2-407a-86a5-99f41317fc27","originalAuthorName":"邢志国"}],"doi":"","fpage":"1203","id":"46f40732-c34d-4b6a-a141-61b1d14d4a90","issue":"5","journal":{"abbrevTitle":"XYJS","coverImgSrc":"journal/img/cover/XYJS.jpg","id":"67","issnPpub":"0258-7076","publisherId":"XYJS","title":"稀有金属"},"keywords":[{"id":"7079c771-b3ea-4858-b4d1-88626ec086d0","keyword":"超高<span style=\"color:red\">周</span>疲劳","originalKeyword":"超高周疲劳"},{"id":"b9d90b52-0489-4b16-bee0-245406d58655","keyword":"寿命预测","originalKeyword":"寿命预测"},{"id":"61dc2b24-54c7-4dc5-91cb-2ff12a621d81","keyword":"断口形貌","originalKeyword":"断口形貌"},{"id":"024a9c21-6f1c-4eda-b6ca-94c63c6a8825","keyword":"预测误差","originalKeyword":"预测误差"}],"language":"zh","publisherId":"xyjsclygc201605020","title":"超高<span style=\"color:red\">周</span>疲劳寿命预测方法探讨","volume":"45","year":"2016"},{"abstractinfo":"研究了铸造Ti-46.5Al-5Nb(原子分数,%)合金的高<span style=\"color:red\">周</span>疲劳行为.结果表明:Ti-46.5Al-5Nb合金具有较好的室温高<span style=\"color:red\">周</span>疲劳性能,其疲劳极限σ-1=510 MPa,与合金的断裂强度σb的比值为1.1.试样的形状对Ti-46.5Al-5Nb合金的室温拉伸强度影响较大,由此可以解释合金的疲劳强度与断裂强度的比值大于1.同时,用扫描电镜对合金的高<span style=\"color:red\">周</span>疲劳断口进行了观察.","authors":[{"authorName":"崔玉友","id":"6d2f0780-4421-413f-81a5-9a1c8faf287d","originalAuthorName":"崔玉友"},{"authorName":"杨锐","id":"21b4654d-c517-41f1-928b-985f08b14dad","originalAuthorName":"杨锐"}],"doi":"10.3321/j.issn:0412-1961.2002.z1.156","fpage":"497","id":"221aa2f4-ff60-4489-8628-d051a4e9f81f","issue":"z1","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"a0ac415a-bf8f-48df-9975-1cc4a8e17e5d","keyword":"Ti-46.5Al-5Nb合金","originalKeyword":"Ti-46.5Al-5Nb合金"},{"id":"da3c909c-c444-4c02-b29a-0fe1dd5bf4d5","keyword":"高<span style=\"color:red\">周</span>疲劳","originalKeyword":"高周疲劳"},{"id":"a237702e-9a16-4d44-a4d9-b5aab4e1ae36","keyword":"疲劳强度","originalKeyword":"疲劳强度"}],"language":"zh","publisherId":"jsxb2002z1156","title":"γ-TiAl合金的高<span style=\"color:red\">周</span>疲劳行为","volume":"38","year":"2002"},{"abstractinfo":"研究了缺口对TC21合金在不同温度高<span style=\"color:red\">周</span>和低<span style=\"color:red\">周</span>疲劳强度的影响.疲劳试样为光滑和V型缺口(Kt=3)2种试样,疲劳载荷为应力控制,循环应力比为0.1,高<span style=\"color:red\">周</span>疲劳实验温度为315 ℃,低<span style=\"color:red\">周</span>疲劳实验温度为室温及400℃.结果表明,在循环应力较低,缺口根部未塑性变形时,缺口使疲劳强度明显降低.循环应力升高使缺口根部产生塑性变形时,缺口对疲劳强度影响降低,当循环应力升高使光滑试样失稳时,缺口试样的疲劳强度高于光滑试样的疲劳强度.断口的SEM分析表明,缺口试样的疲劳裂纹在缺口根部萌生,即使高<span style=\"color:red\">周</span>疲劳裂纹源也是多个.","authors":[{"authorName":"虞忠良","id":"abd87fe1-a537-4e20-88b7-1a3c2e7e3b40","originalAuthorName":"虞忠良"},{"authorName":"赵永庆","id":"f78ead44-ed40-4d1d-9204-8b1b6d7081ef","originalAuthorName":"赵永庆"},{"authorName":"<span style=\"color:red\">周</span>廉","id":"ba405ddd-36d0-45b7-8983-0df416ab9461","originalAuthorName":"周廉"},{"authorName":"孙军","id":"8297e21f-dcea-438d-a80a-8c632bd1e6e4","originalAuthorName":"孙军"},{"authorName":"曲恒磊","id":"8a66dc34-2d0f-4090-a9a9-670102dd7230","originalAuthorName":"曲恒磊"}],"doi":"","fpage":"1523","id":"7955c589-1b59-47f4-bb9f-7d679859aaf0","issue":"9","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":"4e50aa0a-33ef-4707-9e50-160f353e558d","keyword":"TC21合金","originalKeyword":"TC21合金"},{"id":"a8face36-e694-42c1-b806-a48bce001b58","keyword":"缺口","originalKeyword":"缺口"},{"id":"357af210-c719-4951-a799-b2d1eb8c2244","keyword":"高<span style=\"color:red\">周</span>疲劳","originalKeyword":"高周疲劳"},{"id":"d5432717-2565-4501-9190-8b125da0f26e","keyword":"低<span style=\"color:red\">周</span>疲劳","originalKeyword":"低周疲劳"}],"language":"zh","publisherId":"xyjsclygc200709004","title":"缺口对TC21合金高<span style=\"color:red\">周</span>和低<span style=\"color:red\">周</span>疲劳的影响","volume":"36","year":"2007"}],"totalpage":157,"totalrecord":1569}