{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"通过对Fe-Ti-C三元粉末混合物的加压成形过程的研究,分析了影响粉末电导性的因素.实验表明:的电阻率与其孔隙率呈近似的线性关系变化,且随孔隙率的增大而增加.当经1 250℃烧结后,其电导性的变化和体积的变化符合Kirkendall效应.","authors":[{"authorName":"杨屹","id":"1da9163b-59ca-49c1-81e9-087d3a5692a8","originalAuthorName":"杨屹"},{"authorName":"冯可芹","id":"ae094878-9abe-407f-8adf-b6dbd344cc0e","originalAuthorName":"冯可芹"},{"authorName":"郭路宝","id":"0a42e9dd-0cf2-467c-a178-d5daa636312e","originalAuthorName":"郭路宝"},{"authorName":"汪宇澄","id":"ce4d18da-147f-40bb-8950-105ccc726547","originalAuthorName":"汪宇澄"},{"authorName":"申开智","id":"0d3aac77-057e-4329-99df-42e477f12bff","originalAuthorName":"申开智"}],"doi":"10.3969/j.issn.1004-7638.2003.01.005","fpage":"25","id":"2614bf3e-4161-4f78-a2e6-c40859e43d75","issue":"1","journal":{"abbrevTitle":"GTFT","coverImgSrc":"journal/img/cover/gtft1.jpg","id":"28","issnPpub":"1004-7638","publisherId":"GTFT","title":"钢铁钒钛"},"keywords":[{"id":"c77e2076-18d2-4d48-b0b3-3f62e2b806da","keyword":"Fe-Ti-C合金","originalKeyword":"Fe-Ti-C合金"},{"id":"333078a0-38ea-4a22-b76f-923472d5c6fe","keyword":"","originalKeyword":"压坯"},{"id":"1685a329-3999-4584-ad61-8f45b890197b","keyword":"电导性","originalKeyword":"电导性"},{"id":"2acec130-5bda-4fa4-b9ac-d7bf33157351","keyword":"Kirkendall效应","originalKeyword":"Kirkendall效应"}],"language":"zh","publisherId":"gtft200301005","title":"Fe-Ti-C系粉末的电导性研究","volume":"24","year":"2003"},{"abstractinfo":"为生产高性能的电机铁芯,软磁复合材料(Soft Magnetic Composite,SMC)通常以高纯高压缩性铁粉为原料,如果能用较低纯度铁粉取代高纯铁粉,将使生产成本大大降低.本文以3种不同纯度铁粉为原材料,通过在不同工艺条件下压密度及表面显微硬度的变化,来表征铁粉纯度对密实程度及加工硬化程度的影响.结果表明:铁粉纯度、杂质元素种类及含量、铁粉颗粒形貌均影响粉末密度.较低纯度铁粉的在500℃氮气中退火30 min,硬度迅速降低30%;而相同条件下高纯铁粉的表面硬度基本不变.当热处理温度达到再结晶温度时,再结晶过程可使硬度降低近50%.","authors":[{"authorName":"刘颖","id":"e5d629cc-762d-4ba7-8394-d5b9a6827457","originalAuthorName":"刘颖"},{"authorName":"安德鲁·贝克","id":"3446617e-ab54-4954-b599-ce904b3c9bb1","originalAuthorName":"安德鲁·贝克"}],"doi":"10.3969/j.issn.1003-1545.2007.05.010","fpage":"36","id":"7523485d-86bd-4df3-84e9-49399b45f1c5","issue":"5","journal":{"abbrevTitle":"CLKFYYY","coverImgSrc":"journal/img/cover/CLKFYYY.jpg","id":"10","issnPpub":"1003-1545","publisherId":"CLKFYYY","title":"材料开发与应用"},"keywords":[{"id":"abf7325e-d6b3-485a-866d-2519c16a81cb","keyword":"铁粉","originalKeyword":"铁粉"},{"id":"42dc0bbb-5d40-4dd3-9a8b-fee84446268c","keyword":"软磁复合材料","originalKeyword":"软磁复合材料"},{"id":"41a1f4b3-3e9c-4121-ad28-99f00eb24249","keyword":"","originalKeyword":"压坯"},{"id":"12fb46b8-2ef5-41d7-b519-34765ba1d044","keyword":"压制成型","originalKeyword":"压制成型"},{"id":"0768aeaa-9e2e-4553-89df-41f15795c977","keyword":"热处理","originalKeyword":"热处理"}],"language":"zh","publisherId":"clkfyyy200705010","title":"软磁复合材料中铁粉纯度与工艺条件的研究","volume":"22","year":"2007"},{"abstractinfo":"以成型压力、保时间、升压速率和降压速率为考察因素,通过单因素条件实验确定各向同性石墨的成型工艺参数为:成型压力300 MPa、保时间10 min以及升/降压速率都为1 MPa/s.然后采用Box-Behnken的中心组合实验设计及响应曲面分析法对冷等静压成型工艺进行研究,得到体积密度的预测模型.结果表明:体积密度=1.30+0.011A-5.333×10-4B-1.558×103C-7.750×10-4D-1.650×10-3AB-1.350×10-3AC+4.000×10-4AD-9.500×10-4BC+5.000×10-5BD+1.725×103CD-3.601×10-3A2-1.001×10-3B2-9.883×10-4C2-7.383×10-4D2,优化得到最佳成型工艺条件为:成型压力349MPa、保时间13 min、升压速率0.5 MPa/s、降压速率0.6 MPa/s.因素分析表明,成型压力和保时间对体积密度的影响显著;在最佳成型工艺参数下进行实验,体积密度的实验值与理论值吻合较好,二者相差0.3%,且能有效消除拱桥效应.","authors":[{"authorName":"施辉献","id":"561bc092-9765-48db-b250-93a00c0ac47a","originalAuthorName":"施辉献"},{"authorName":"于站良","id":"df95e216-367e-4b3b-8b1c-2eecd44c25ac","originalAuthorName":"于站良"},{"authorName":"和晓才","id":"71c1228a-546b-4c8a-ae0f-a2cdfaefe50f","originalAuthorName":"和晓才"},{"authorName":"梁智","id":"b9585d17-9ff2-4de3-8b15-90ec1a0a8374","originalAuthorName":"梁智"},{"authorName":"俞小花","id":"f0fb342a-538a-4df7-9990-c729ecf03e0b","originalAuthorName":"俞小花"},{"authorName":"谢刚","id":"c4a96032-f301-474d-89cb-85efab9e23ac","originalAuthorName":"谢刚"}],"doi":"10.11896/j.issn.1005-023X.2015.04.033","fpage":"147","id":"75e39ca6-2ec5-43f0-99a4-203ca1aa8900","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":"f4eacd60-4fdb-4a63-b148-3634a3d2d459","keyword":"响应曲面法","originalKeyword":"响应曲面法"},{"id":"6975dd0a-3a6b-4c0c-8e5f-9bac8481d3fb","keyword":"各向同性石墨","originalKeyword":"各向同性石墨"},{"id":"b738760c-e252-4b50-b0c5-b54d256534ff","keyword":"冷等静压成型","originalKeyword":"冷等静压成型"},{"id":"c51180dc-a15b-4409-8d7e-8566233ca6f1","keyword":"","originalKeyword":"压坯"}],"language":"zh","publisherId":"cldb201504033","title":"响应曲面法优化各向同性石墨的冷等静压成型工艺","volume":"29","year":"2015"},{"abstractinfo":"采用马弗炉高温点燃的方法,研究了自蔓延高温合成辅助制备锶铁氧体预烧料的工艺,用磁性测量仪对产物的磁性能进行了测量,并用XRD对其组织结构进行了分析.研究结果表明,在SHS合成锶铁氧体的工艺中,随点燃温度的升高,反应越完全,锶铁氧体相生成得越多,并且通过把SHS反应得到的产物进行二次高温烧结,可以制备出单相磁性能为Br=0.163T,Hcb=113kA/m,Hcj=254kA/m,(BH)max=5kJ/m3的锶铁氧体预烧料.讨论了粉料的密度对预烧料性能的影响.结果表明:一定的工艺条件下,在30%~65%的相对密度范围内,粉料片的相对密度大小对产物磁性能的影响不大.","authors":[{"authorName":"周丹丹","id":"c00158d3-16d3-4757-9b7c-7228944f8dc1","originalAuthorName":"周丹丹"},{"authorName":"刘颖","id":"de05b084-5e83-4e56-8b9a-291fefae81b3","originalAuthorName":"刘颖"},{"authorName":"高升吉","id":"1d071b7b-e274-4189-a6fa-9471474cccd2","originalAuthorName":"高升吉"},{"authorName":"涂铭旌","id":"a6f5b508-fac1-413e-806e-52f535abab1c","originalAuthorName":"涂铭旌"}],"doi":"","fpage":"307","id":"fd882c6c-47c7-4529-9897-8f15cbf6ae46","issue":"z2","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"ef710d2c-1eb4-4b1e-918b-d6846cd17153","keyword":"自蔓延高温合成","originalKeyword":"自蔓延高温合成"},{"id":"1b62cdf2-4c4d-4747-9e52-e037fe0bcf56","keyword":"锶铁氧体","originalKeyword":"锶铁氧体"},{"id":"ae251e56-5484-44c1-9c28-467a2780a1fe","keyword":"","originalKeyword":"压坯"}],"language":"zh","publisherId":"cldb2004z2093","title":"自蔓延高温合成辅助制备锶铁氧体预烧料的研究","volume":"18","year":"2004"},{"abstractinfo":"采用平均颗粒度为3 μm的铜粉,利用放电等离子烧结(简称SPS)分别在700,750和800 ℃进行快速烧结,并系统研究了烧结体的密度和微观组织.结果表明,采用在升温阶段施加<15 Mpa的压力作为初始压力,在保温和冷却阶段的烧结压力>45 Mpa的烧结工艺,可以获得相对密度>98%的致密铜烧结体.铜烧结体的密度随着烧结温度的提高而升高,其中800 ℃时铜烧结体的相对密度>99.5%,而采用从烧结开始就施加30 Mpa初始压力的烧结工艺制备的烧结铜,其相对密度<98%.烧结温度为700 ℃时,微观组织的晶粒度可以细化到10~15 μm.","authors":[{"authorName":"王琳","id":"fcc4dfdc-7a37-4bf6-a0ad-e9bc3a3ed5c6","originalAuthorName":"王琳"},{"authorName":"王富耻","id":"76672ed6-979f-4ad3-a652-46e342404187","originalAuthorName":"王富耻"},{"authorName":"张朝晖","id":"f6f3a9bb-d59c-42c5-a0c8-f87db91dc9d7","originalAuthorName":"张朝晖"},{"authorName":"廖秋尽","id":"e027815b-7e63-4f7a-8f0b-c3c71f3a6842","originalAuthorName":"廖秋尽"}],"doi":"10.3969/j.issn.0258-7076.2006.z2.007","fpage":"24","id":"2ba18e36-e69a-4e87-8ab3-1c07c14dd3cb","issue":"z2","journal":{"abbrevTitle":"XYJS","coverImgSrc":"journal/img/cover/XYJS.jpg","id":"67","issnPpub":"0258-7076","publisherId":"XYJS","title":"稀有金属"},"keywords":[{"id":"d37614bb-b29a-45ca-a0d8-931917e3a9cb","keyword":"放电等离子烧结","originalKeyword":"放电等离子烧结"},{"id":"040c76a8-4cf9-4f60-8a43-ec1154b46847","keyword":"铜粉","originalKeyword":"铜粉"},{"id":"ce71541c-4f86-4134-8f73-7b6b79ed9924","keyword":"","originalKeyword":"压坯"},{"id":"2a193eb7-e0ee-452c-847a-ca2020380f8a","keyword":"相对密度","originalKeyword":"相对密度"}],"language":"zh","publisherId":"xyjs2006z2007","title":"SPS法制备高密度烧结铜的工艺研究","volume":"30","year":"2006"},{"abstractinfo":"对加热Cu粉末进行磁脉冲致密试验研究,探索提高压致密度且不使粉末颗粒产生明显长大的致密方法.通过平均致密度和微观金相形貌分析,揭示了加热温度、放电参数和粉末体高径比等工艺参数对Cu粉末热复合磁脉冲致密致密度的影响规律.研究表明:致密度不随温度升高而线性增加,200℃时的致密度最高;在给定放电能量和200℃下,的致密度随电压和电容量增加而提高,随粉末质量增加而降低;3次放电显著改善致密效果,致密度达98.75%,再增加次数的影响甚微.","authors":[{"authorName":"于海平","id":"42353eed-df6e-40e9-8cfc-dc34b2a8547b","originalAuthorName":"于海平"},{"authorName":"李春峰","id":"3ace43f5-3cd0-48ca-b14a-a7b0cb3fd412","originalAuthorName":"李春峰"},{"authorName":"丁朋辉","id":"af04a5ee-816f-4466-b741-03e57366d31c","originalAuthorName":"丁朋辉"}],"doi":"10.3969/j.issn.1005-0299.2008.02.002","fpage":"153","id":"a9b6c232-20bc-4d8e-bf39-aa925ab04b1b","issue":"2","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":"4fd66c14-b919-4250-98d4-36e6d53730f9","keyword":"磁脉冲致密","originalKeyword":"磁脉冲致密"},{"id":"78864e0d-45ff-498a-87b8-258a3ac02e44","keyword":"热复合","originalKeyword":"热复合"},{"id":"ab2503e8-8473-4a1e-84fc-c1bf0ea2af0e","keyword":"致密度","originalKeyword":"致密度"},{"id":"383c8152-ff32-41d1-a365-b1631d79f88f","keyword":"工艺参数","originalKeyword":"工艺参数"},{"id":"1f28cdd7-b3cd-445b-adae-c5dc562c4d8e","keyword":"Cu粉末","originalKeyword":"Cu粉末"}],"language":"zh","publisherId":"clkxygy200802002","title":"热复合磁脉冲粉末致密度的试验研究","volume":"16","year":"2008"},{"abstractinfo":"将高温合金GH4169板材滚弯焊接成筒型旋,再经过强力旋成形制成特薄壁管.研究这一工艺过程的结果表明:用滚弯焊接强力旋方法制造难变形高温合金特薄壁管,是高温合金特薄壁管成形的一条经济、可行的途径;真空电子束焊接法比氩弧焊接法更适合用于制造焊接旋,且其焊缝可承受80%以上的旋变形;焊接成形的薄壁管退火处理后,原焊缝处组织已变成等轴晶变形组织.","authors":[{"authorName":"贾新朝","id":"7f11fd7e-849a-40a8-a9b1-ce74a82d5460","originalAuthorName":"贾新朝"},{"authorName":"陈兆生","id":"eba91deb-6283-4fda-b03f-8fde422451d7","originalAuthorName":"陈兆生"},{"authorName":"卢焰","id":"7314e076-163c-42ec-88d0-61547097c753","originalAuthorName":"卢焰"},{"authorName":"李茂盛","id":"fb891742-4c2d-418d-bf65-96f1ee36acc1","originalAuthorName":"李茂盛"},{"authorName":"刘继强","id":"3608e59b-5b70-44ea-887e-e3965d6119d5","originalAuthorName":"刘继强"}],"doi":"","fpage":"357","id":"57dd290c-e442-4aa6-af64-2bd7ded85cb3","issue":"z1","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":"6d817b2b-ae89-4974-b864-f0204807889f","keyword":"高温合金","originalKeyword":"高温合金"},{"id":"560de294-158a-462e-91c0-8d1d2a927d2b","keyword":"GH4169","originalKeyword":"GH4169"},{"id":"3633df19-a231-462a-bd87-b628091d023a","keyword":"旋","originalKeyword":"旋压"},{"id":"6d2d155a-4825-4b94-857a-1fddf39fb029","keyword":"薄壁管","originalKeyword":"薄壁管"}],"language":"zh","publisherId":"gtyjxb2003z1081","title":"GH4169焊接管成形特薄壁管工艺研究","volume":"15","year":"2003"},{"abstractinfo":"用有限元方法(FEM)对连铸轻压下时出现的塌现象进行了数值模拟。研究了铸液芯率、轻压下变形量、钢水静压力和内腔过渡形状对塌量的影响。认为塌现象的本质是因壳侧壁失稳外凸使宽面产生弯曲变形的结果。","authors":[{"authorName":"陈其安","id":"0978b286-e5b2-4032-8652-c2f1b13b2bf1","originalAuthorName":"陈其安"},{"authorName":"刘立文","id":"79edead7-857a-49de-ac9c-d09755795377","originalAuthorName":"刘立文"},{"authorName":"王建伟","id":"df26b6d2-5e40-4a6a-9fc2-d2afe5ebd64a","originalAuthorName":"王建伟"},{"authorName":"张鸿","id":"9dd4d6b6-8eb7-4864-b124-51eec716fffd","originalAuthorName":"张鸿"}],"doi":"","fpage":"44","id":"831ee580-0fc9-4e6f-8f9e-97cdf79aaa5b","issue":"5","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"6133f2e0-a94a-4245-a721-dae096a00087","keyword":"轻压下","originalKeyword":"轻压下"},{"id":"585e5fdb-feda-4054-a1fd-f5ebdfb67116","keyword":"塌","originalKeyword":"压塌"}],"language":"zh","publisherId":"gt200105012","title":"连铸带液芯轻压下时塌现象的数值模拟研究","volume":"36","year":"2001"},{"abstractinfo":"先进陶瓷的体连接技术提供了一种获得以现有的技术难以成型的陶瓷构件的制造方法,其工艺简单,只需将陶瓷料浆敷于需要连接的陶瓷体表面,把他们像\"三明治\"那样连接在一起共同烧结.异种属性陶瓷的连接,还可以使不同部位陶瓷适用各种具体环境条件的要求,对制造大异型和陶瓷构件的多功能化都具有重要意义.","authors":[{"authorName":"葛志平","id":"b01d3d2b-0b50-48a0-9325-ced20e27c57b","originalAuthorName":"葛志平"},{"authorName":"刘名郑","id":"64a15200-8b67-42ff-8abf-e198c2ee5ee7","originalAuthorName":"刘名郑"},{"authorName":"刘家臣","id":"aa43b7a2-05b6-469b-99dc-95a315bf6470","originalAuthorName":"刘家臣"}],"doi":"10.3969/j.issn.1001-1625.2004.04.022","fpage":"82","id":"012528b3-56ef-493a-9a8a-e8da5125eb22","issue":"4","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报 "},"keywords":[{"id":"3ca7d8bc-f511-4771-9dfd-c5112af0d4dd","keyword":"连接","originalKeyword":"连接"},{"id":"aeabb410-82df-4d3b-ab7e-4df76cf95c11","keyword":"异种陶瓷","originalKeyword":"异种陶瓷"},{"id":"e0534458-39a4-4064-9bab-e111c11df759","keyword":"体","originalKeyword":"坯体"}],"language":"zh","publisherId":"gsytb200404022","title":"异种陶瓷的体无连接","volume":"23","year":"2004"},{"abstractinfo":"对某宽厚板厂最新投产的400mm连铸,以刚-粘塑性有限元模拟分析了其轧制Q345特厚钢板时的缺陷合过程和临界合条件。结果表明:在足够的压下率下,特厚板中心矩形裂纹能够被合;缺陷尺寸、轧辊半径和坯料厚度对缺陷合影响很大。缺陷尺寸和轧辊半径越大、坯料厚度越小,合所需的临界压下率越小;在1120mm×4300mm热轧机上第1道次合400mm铸中心矩形裂纹的临界压下率为15.8%,转化为几何参数为0.511。以临界变形量单道次合裂纹效果较好。缺陷合试验验证了有限元模拟结果。","authors":[{"authorName":"张林,赵德文,邓伟,王根矶","id":"247176c1-67d3-4d56-821a-650bc6b904ee","originalAuthorName":"张林,赵德文,邓伟,王根矶"},{"authorName":",白学军","id":"3f305d95-3490-434d-a0db-a2c7fb1d34b6","originalAuthorName":",白学军"}],"categoryName":"|","doi":"","fpage":"61","id":"10e3539f-7c48-411c-b7f2-01375e5cb99c","issue":"11","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"e6a17d3d-b3a8-42b7-8ad8-ddc8cb8df66e","keyword":"特厚板 ","originalKeyword":"特厚板 "},{"id":"93b08eb7-e3a4-49a7-af5b-3dc82360b217","keyword":" 400mm thickness continuous casting slab ","originalKeyword":" 400mm thickness continuous casting slab "},{"id":"5c5d296d-7a85-426c-aadc-9b180e4d1115","keyword":" finite element method (FEM) ","originalKeyword":" finite element method (FEM) "},{"id":"e925a631-bc5f-4011-b311-8d49156401bb","keyword":" defects closing","originalKeyword":" defects closing"}],"language":"zh","publisherId":"0449-749X_2011_11_19","title":"400mm厚连铸轧制时缺陷的合模拟","volume":"46","year":"2011"}],"totalpage":1038,"totalrecord":10374}