{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"采用喷雾干燥结合两步氢还原法制备出W-Re混合粉末,并在此基础上通过压制、烧结和浸渍工艺制备出W-Re混合浸渍型阴极.采用SEM、XRD、AES对W-Re混合阴极的微观形貌、物相、表面活性元素进行表征分析,并用电子发射测试系统测试阴极在950-1050℃的脉冲电子发射性能.结果表明,的含量决定了阴极基体的物相,含量为75%(原子分数)的W-75Re阴极由Re3W单一物相组成,该阴极由于含量较高使得基体晶粒尺寸更细小,有利于活性自由钡的生成及其在阴极表面的扩散,从而W-75Re阴极具有相对较低的逸出功和较高的发射电流密度,其在1000℃b时的零场脉冲发射电流密度为14.03 A·cm-2,有效逸出功为1.902 eV.","authors":[{"authorName":"赖陈","id":"19eb225d-5051-47e3-aae7-862d1f1bec73","originalAuthorName":"赖陈"},{"authorName":"王金淑","id":"e27ed9ce-e779-4c46-99fa-9bd04e336f3e","originalAuthorName":"王金淑"},{"authorName":"周帆","id":"bc6d942f-e2d8-4ca3-89db-b772cf04745d","originalAuthorName":"周帆"},{"authorName":"王茜","id":"2a238a65-c6f4-4716-bd75-43a3685eb0bc","originalAuthorName":"王茜"},{"authorName":"刘伟","id":"909f5fe9-8700-45c5-97a6-537fa4715bf4","originalAuthorName":"刘伟"},{"authorName":"杨帆","id":"fe33f55a-8cb1-4b85-8ac5-44d781337629","originalAuthorName":"杨帆"}],"doi":"","fpage":"1871","id":"ef78899f-529c-475c-8eb6-179b181793c7","issue":"7","journal":{"abbrevTitle":"XYJS","coverImgSrc":"journal/img/cover/XYJS.jpg","id":"67","issnPpub":"0258-7076","publisherId":"XYJS","title":"稀有金属"},"keywords":[{"id":"0f0bcdce-ca15-4345-b82c-328d1aa3f710","keyword":"喷雾干燥","originalKeyword":"喷雾干燥"},{"id":"6ec8ca38-5f05-4f89-a6fa-6284ac7ce43f","keyword":"W-Re混合粉末","originalKeyword":"W-Re混合粉末"},{"id":"61895b82-d8e3-4979-babd-4b92c3a14b21","keyword":"混合阴极","originalKeyword":"铼钨混合基阴极"},{"id":"91f6fe77-ff79-443a-a147-38c126e36d97","keyword":"脉冲发射","originalKeyword":"脉冲发射"},{"id":"0e8d8c8f-209c-4e12-b51e-8b06d8b2df9a","keyword":"逸出功","originalKeyword":"逸出功"}],"language":"zh","publisherId":"xyjsclygc201607044","title":"新型混合阴极的热电子发射性能","volume":"45","year":"2016"},{"abstractinfo":"采用XRD、SEM和AES等分析方法对氧化钪混合及浸渍后的阴极微观结构及表面活性元素的行为进行研究.结果表明:基体内Sc_2O_3弥散均匀分布.在阴极激活过程中,Ba和Sc从内部向表面扩散,在阴极表面形成含Ba、Sc、O的表面活性层,其厚度为M型阴极活性层厚度的10倍以上.对自由钪的产生机制进行了探讨.","authors":[{"authorName":"王金淑","id":"93f79a71-57e2-4eeb-8bb4-dd08a5e6da8f","originalAuthorName":"王金淑"},{"authorName":"刘伟","id":"1e0c9b35-8f6c-407b-95de-21e25509bdfa","originalAuthorName":"刘伟"},{"authorName":"崔云涛","id":"601401d7-b71f-4340-8763-ccd85a392f58","originalAuthorName":"崔云涛"},{"authorName":"张喜珠","id":"16a1f7a3-ffd1-4bae-a21a-e320e0eb0f13","originalAuthorName":"张喜珠"},{"authorName":"王亦曼","id":"ebf861d8-9beb-416d-a7be-08138035c200","originalAuthorName":"王亦曼"},{"authorName":"周美玲","id":"fac2c97c-5711-4095-b78a-08999510c3cc","originalAuthorName":"周美玲"}],"doi":"","fpage":"2191","id":"27e664d7-a035-4887-bfaf-a59c9ff288a7","issue":"12","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":"2cb7a5c9-2e53-4192-a400-badcddc356f3","keyword":"含钪扩散阴极","originalKeyword":"含钪扩散阴极"},{"id":"884bac71-761f-49f2-89d6-649a31deecc7","keyword":"活性层","originalKeyword":"活性层"},{"id":"7aa41709-6d5f-4592-99bd-7e644c19e8c7","keyword":"扩散","originalKeyword":"扩散"},{"id":"76222057-c5d5-4b75-a148-b28273a65c77","keyword":"氧化钪","originalKeyword":"氧化钪"}],"language":"zh","publisherId":"xyjsclygc200912027","title":"氧化钪混合扩散型阴极表面结构的研究","volume":"38","year":"2009"},{"abstractinfo":"通过在氧化钨粉中添加酸铵的方法制得新型合金坯条,再经垂熔、旋锻和拉伸等工艺研制出高温抗震丝.经实验优选,的最佳添加量为3%(质量分数).所研制的灯用φ0.02 mm丝,其抗拉强度,延伸率,抗震和抗下垂性能均优于国内目前广泛使用的WAL1和WAL2铝丝.本工艺丝的尺寸偏差和表面质量达到GB4181-84标准的规定.从方坯条到成品丝的统计成品率,新工艺丝为88.7%,铝丝是88%.","authors":[{"authorName":"郭宏勤","id":"dfa6edbd-0bcb-4a17-b170-e0446bb10ab0","originalAuthorName":"郭宏勤"},{"authorName":"廖雷","id":"9a604efa-6ef2-450a-bc0f-501ac49bd7ab","originalAuthorName":"廖雷"},{"authorName":"苟宝梅","id":"a88dce7a-a1e6-405b-8a9f-edb7dffb8233","originalAuthorName":"苟宝梅"}],"doi":"10.3969/j.issn.1674-3962.2007.02.006","fpage":"32","id":"5749a479-f32e-439b-a08a-d28db51e1b8a","issue":"2","journal":{"abbrevTitle":"ZGCLJZ","coverImgSrc":"journal/img/cover/中国材料进展.jpg","id":"80","issnPpub":"1674-3962","publisherId":"ZGCLJZ","title":"中国材料进展"},"keywords":[{"id":"5c1edd7d-8f2c-4811-a87f-a18a40fa0878","keyword":"酸铵","originalKeyword":"铼酸铵"},{"id":"5ec2b626-4921-429a-93aa-7f2c0599c76e","keyword":"WO2拉制","originalKeyword":"WO2拉制"},{"id":"8bd2afe0-9f56-4068-9978-f79ef722a241","keyword":"旋锻","originalKeyword":"旋锻"},{"id":"9b2a4fb5-ee1d-470e-b334-a38ef370263a","keyword":"丝","originalKeyword":"钨铼丝"}],"language":"zh","publisherId":"zgcljz200702006","title":"抗震丝的研制","volume":"26","year":"2007"},{"abstractinfo":"以热表面电离质谱计用带为基底材料,对比了多种电镀铂体系.结果表明,磷酸盐体系电镀效果最好.分析了各种工艺参数对镀层质量的影响,确定了电镀铂的最佳工艺条件为:H_2PtCl_6(以Pt计)0.2 g/t,(NH_4)_2HPO_4 40 g/L,,Na_2HPO_4140 g/L,十二烷基磺酸钠0.01 g/L,温度85℃,阴极电流密度4A/dm~2,电镀时间20 min.适当的真空热处理有助于获得光亮平整、结合力良好的镀层.X射线能谱分析表明,铂镀层厚度可达微米级.","authors":[{"authorName":"汤磊","id":"1d75124a-76a8-4ff0-be4a-96bb6d6e18f1","originalAuthorName":"汤磊"},{"authorName":"刘雪梅","id":"711c2894-1af3-488f-b01e-611c51fc70b8","originalAuthorName":"刘雪梅"},{"authorName":"龙开明","id":"cd11ddd4-128a-484b-8c45-4d8831093355","originalAuthorName":"龙开明"}],"doi":"","fpage":"12","id":"90dee04f-eca3-4b42-ac50-0635cb6dd620","issue":"1","journal":{"abbrevTitle":"DDYTS","coverImgSrc":"journal/img/cover/DDYTS.jpg","id":"21","issnPpub":"1004-227X","publisherId":"DDYTS","title":"电镀与涂饰 "},"keywords":[{"id":"4594536d-8c96-4c71-aba6-cbe8997261c4","keyword":"热表面电离质谱计","originalKeyword":"热表面电离质谱计"},{"id":"6fd196ec-4dbe-49fb-bae9-be25f2c3ba9b","keyword":"","originalKeyword":"铼"},{"id":"440f30f8-9095-4ad8-a59d-b62477f4127b","keyword":"电镀铂","originalKeyword":"电镀铂"},{"id":"7c6747b6-aedf-4779-9b89-a80fa377d710","keyword":"磷酸盐","originalKeyword":"磷酸盐"},{"id":"3513c3fe-0d04-4ae2-95c1-24a4f60abdd1","keyword":"结合力","originalKeyword":"结合力"}],"language":"zh","publisherId":"ddyts201001004","title":"电镀铂工艺研究","volume":"29","year":"2010"},{"abstractinfo":"热电偶广泛应用于高温测量.本文论述用光学高温计分度热电偶的方法及其测量不确定度.","authors":[{"authorName":"唐锐","id":"ef5ae1d8-25fb-4af7-9e57-d3b3130e1521","originalAuthorName":"唐锐"}],"doi":"","fpage":"1707","id":"cbb442fd-5ba6-4c3d-8b08-73eb8650001b","issue":"z1","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"8cc2176a-fb45-4834-a25e-335b77c307ab","keyword":"热电偶","originalKeyword":"钨铼热电偶"},{"id":"31b89d93-ca92-42ac-888e-70f5ba8d1667","keyword":"分度","originalKeyword":"分度"},{"id":"eaa70f64-c073-46e8-9aa1-e4f3b6bcf2e7","keyword":"不确定度","originalKeyword":"不确定度"}],"language":"zh","publisherId":"gncl2004z1477","title":"热电偶高温分度及其不确定度","volume":"35","year":"2004"},{"abstractinfo":"为了解热电偶丝在空气中的氧化过程、氧化产物成分、氧化膜生长情况,进行了DSC/TG、XRD、SEM等实验.通过填充惰性物质、脱氧、造氢、密封等实体化技术对热电偶进行了防氧化保护,利用SEM观察了保护后的偶丝的形貌.结果表明:在空气中,偶丝高温氧化产物主要为WO3;W-5% Re偶丝873℃时已经可以观察到氧化,W-26%Re的氧化温度可低至681℃;偶丝氧化层开裂并呈放射状生长,不能形成保护性氧化膜;经防护后的偶丝断面保持完整,未出现明显氧化膜.","authors":[{"authorName":"戴民","id":"19bc9e44-338c-4a15-8f64-ff639878ebe2","originalAuthorName":"戴民"},{"authorName":"何占伟","id":"7991ab50-771a-476f-8642-193a06391c6b","originalAuthorName":"何占伟"},{"authorName":"王魁汉","id":"841d165f-9d6c-4268-ba1c-da4fd7119460","originalAuthorName":"王魁汉"},{"authorName":"樊占国","id":"56aa4a25-a43a-4742-b47c-22ddc8d4379e","originalAuthorName":"樊占国"}],"doi":"","fpage":"55","id":"3f2d689d-5f64-4333-9597-93b1d7e9388c","issue":"1","journal":{"abbrevTitle":"CLYYJXB","coverImgSrc":"journal/img/cover/CLYYJXB.jpg","id":"17","issnPpub":"1671-6620","publisherId":"CLYYJXB","title":"材料与冶金学报"},"keywords":[{"id":"fba58c8b-0b23-4a93-8203-2d9b885f7f94","keyword":"热电偶","originalKeyword":"钨铼热电偶"},{"id":"70150299-b078-4165-a187-fe5d79bb7f70","keyword":"氧化","originalKeyword":"氧化"},{"id":"703516c9-447d-4904-9664-df6291451efb","keyword":"效应","originalKeyword":"铼效应"},{"id":"519fe44c-ec75-4d3a-9bc1-5d593d2f9a3c","keyword":"实体化","originalKeyword":"实体化"}],"language":"zh","publisherId":"clyyjxb201401013","title":"W-5%Re/W-26%Re偶丝氧化行为","volume":"13","year":"2014"},{"abstractinfo":"介绍了高性能热电偶材料制备方法,分析了热电偶材料热电特性影响因素及其补偿方式,通过EDS、SEM等分析手段,对微量元素分布、材料微观组织等进行表征,探讨了微量元素分布及微观组织与热电特性的关系,同时分析了热电偶补偿温度对测温精度的影响,该热电偶材料制成的快速偶头现场测试结果显示其稳定性可控制在±3℃以内,具有良好的测温可靠性.","authors":[{"authorName":"刘奇","id":"70f7b0b4-c17a-429c-89ca-a5b115898bd5","originalAuthorName":"刘奇"},{"authorName":"陈德茂","id":"5b6eb263-6334-4e3a-b1f9-8c7c9a711f75","originalAuthorName":"陈德茂"},{"authorName":"刘庆宾","id":"d66462c5-910f-404e-82a5-afa4ab1ab5af","originalAuthorName":"刘庆宾"},{"authorName":"马少仿","id":"c58a9e59-0421-4d9b-98b3-70cc06e11d22","originalAuthorName":"马少仿"},{"authorName":"辛雪军","id":"12ab797a-1a8a-448a-8862-21269ba2bb1e","originalAuthorName":"辛雪军"},{"authorName":"阳浩","id":"a46ccbc2-2e5f-4dbe-92e7-bfbf25ef57e0","originalAuthorName":"阳浩"},{"authorName":"杨晓亮","id":"3b3f1a88-cada-4af1-a449-db08c855b79c","originalAuthorName":"杨晓亮"}],"doi":"","fpage":"944","id":"d9e552c1-610e-4f7d-90af-46a6b6fcef2b","issue":"5","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"2bd53f79-e534-4f83-9755-8097c720d971","keyword":"粉末冶金","originalKeyword":"粉末冶金"},{"id":"cb87405f-f009-43da-ad78-b74598cd70e5","keyword":"难熔金属","originalKeyword":"难熔金属"},{"id":"c1b60df3-a219-49c4-af1d-a8417062bd5d","keyword":"热电偶","originalKeyword":"钨铼热电偶"},{"id":"931185a3-c50b-4791-a6d5-c4500972a6c5","keyword":"电势补偿","originalKeyword":"电势补偿"},{"id":"fb319626-7e18-4daf-b28f-7c555188f65d","keyword":"掺杂","originalKeyword":"掺杂"}],"language":"zh","publisherId":"gncl201105045","title":"高性能热电偶材料及补偿技术研究","volume":"42","year":"2011"},{"abstractinfo":"为了改进氧化钪的分布均匀性及提高阴极表面氧化钪的扩散补充能力,作者在前期研究的基础上,分别采用液固掺杂和液液掺杂的方法制备了Sc2O3掺杂W粉基材,研究了利用这种W粉制作多孔基体的工艺技术和多孔体的微观结构.研究表明在改进压制、烧结技术的基础上,可以获得具有适当孔度的亚微米结构多孔基体.氧化钪在基体中的分布得到进一步改进.在这种基体中铝酸盐的浸渍率可以达到常规浸渍阴极的要求.发射试验结果表明,阴极具有很高的发射水平.研究还证实多孔体的结构越趋细微,越有利于阴极的发射均匀性和耐离子轰击的性能的改善.","authors":[{"authorName":"古昕","id":"a2046d87-bd0b-4670-b7eb-b6f52f83cec8","originalAuthorName":"古昕"},{"authorName":"刘伟","id":"42c0a458-c7e4-4c01-a935-08467ac57229","originalAuthorName":"刘伟"},{"authorName":"潘克新","id":"5e911af7-8df2-4d93-b9bc-9853dabe008a","originalAuthorName":"潘克新"},{"authorName":"张珂","id":"793b9507-09a2-4da0-a9f9-9868c7acfdc7","originalAuthorName":"张珂"},{"authorName":"袁海清","id":"33a4c1ec-9acb-4f2f-98f3-477bf63bc3cb","originalAuthorName":"袁海清"},{"authorName":"王亦曼","id":"e7b4aa15-68f1-4046-be0b-b5053503fbb6","originalAuthorName":"王亦曼"},{"authorName":"王金淑","id":"b1d0c664-5786-4338-ad26-2283a1bf244c","originalAuthorName":"王金淑"},{"authorName":"李季","id":"eaab12f7-3c6c-4f6b-91aa-a32428fe149c","originalAuthorName":"李季"},{"authorName":"周美玲","id":"063a12f3-c6e0-4b17-a7b0-b3212d24c604","originalAuthorName":"周美玲"}],"doi":"","fpage":"1374","id":"0f0b13d1-8a9e-4146-80f4-f76601676284","issue":"z1","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"bd0fb59b-e2f7-4b17-859c-a3da5ae124ff","keyword":"钪阴极","originalKeyword":"钪钨阴极"},{"id":"88e6bb18-a74f-46c9-9ccc-381481d6dae9","keyword":"离子轰击","originalKeyword":"离子轰击"},{"id":"7d7d448b-bd5e-4aca-ad4b-a65f9dc89d04","keyword":"氧化钪","originalKeyword":"氧化钪"},{"id":"168884d9-3e7f-4b42-8add-7e039866b4ad","keyword":"显微结构","originalKeyword":"显微结构"},{"id":"7624fc34-f040-49eb-bc31-efb0354af64e","keyword":"电子发射性能","originalKeyword":"电子发射性能"}],"language":"zh","publisherId":"gncl2004z1386","title":"氧化钪掺杂、亚微米结构多孔扩散阴极的研究","volume":"35","year":"2004"},{"abstractinfo":"研究了复合稀土氧化物-钼-金属陶瓷阴极的二次电子发射系数和抗暴露大气性能,对发射后的表面进行了表面分析,并与单元、复合稀土-钼金属陶瓷阴极进行了对比.研究结果表明:加入微量的复合稀土氧化物-钼金属陶瓷阴极的二次电子发射系数可提高8%,其最大次级发射系数δm为2.65,且具有较好的抗暴露大气性能.","authors":[{"authorName":"杨飒","id":"5e8d8738-47e9-4b9d-9cad-d14d1830cc45","originalAuthorName":"杨飒"},{"authorName":"周美玲","id":"269579f2-62fd-47bd-accc-9b8a9a663c99","originalAuthorName":"周美玲"},{"authorName":"王金淑","id":"caa58205-bba3-415e-9fc5-0638e85c8527","originalAuthorName":"王金淑"},{"authorName":"李洪义","id":"98def0c2-a24c-4b21-9025-002514cf4859","originalAuthorName":"李洪义"},{"authorName":"张久兴","id":"f2ea5fc2-1ff2-425c-8d50-a48db12e593f","originalAuthorName":"张久兴"}],"doi":"","fpage":"18","id":"b29f061d-b954-425d-baa8-2ee8740f4684","issue":"1","journal":{"abbrevTitle":"ZGYSJSXB","coverImgSrc":"journal/img/cover/ZGYSJSXB.jpg","id":"88","issnPpub":"1004-0609","publisherId":"ZGYSJSXB","title":"中国有色金属学报"},"keywords":[{"id":"5c41c334-b35b-4d44-bbd2-bc0179be3643","keyword":"","originalKeyword":"铼"},{"id":"fe56b4cc-1c6c-4b0c-913e-68c47070bd25","keyword":"稀土氧化物","originalKeyword":"稀土氧化物"},{"id":"827e69c2-db95-4a35-bf23-bde042d69eb5","keyword":"钼","originalKeyword":"钼"},{"id":"750f0f04-f02f-4b02-afba-fdd09cc7f464","keyword":"次级电子发射","originalKeyword":"次级电子发射"}],"language":"zh","publisherId":"zgysjsxb200401004","title":"复合稀土氧化物-钼-金属陶瓷阴极的次级发射性能","volume":"14","year":"2004"},{"abstractinfo":"介绍了连铸中间包钢水连续测温系统的应用及发展,探讨了漂浮式抗氧化热电偶连续测温的原理、组成、特点、相关技术及使用效果,指出其广阔的应用前景。","authors":[{"authorName":"张华","id":"54c6ff98-eab1-434b-95b8-5526816c78d4","originalAuthorName":"张华"},{"authorName":"于学斌","id":"fe19fa35-79c2-40a5-ab2a-ce56515b07f7","originalAuthorName":"于学斌"}],"doi":"10.3969/j.issn.1001-1447.2001.01.017","fpage":"58","id":"59c61d4a-31f7-4d0b-8091-d5bbdb617032","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":"cae047ee-c40a-471e-aba7-8baf829fc749","keyword":"中间包","originalKeyword":"中间包"},{"id":"553d5902-0c0d-42da-80ce-1c95c1d0a292","keyword":"连续测温","originalKeyword":"连续测温"},{"id":"7a3aa90a-9e8b-418a-a0a0-b0814453aecb","keyword":"抗氧化热电偶","originalKeyword":"抗氧化钨铼热电偶"}],"language":"zh","publisherId":"gtyj200101017","title":"中间包钢水连续测温技术及热电偶主要相关技术的发展","volume":"1","year":"2001"}],"totalpage":3290,"totalrecord":32893}