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International Journal of High Technology Ceramics最新文献

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Hydrothermal preparation of the low-expansion NZP family of materials 水热法制备低膨胀NZP系列材料
International Journal of High Technology Ceramics Pub Date : 1988-01-01 Epub Date: 2003-06-11 DOI: 10.1016/0267-3762(88)90062-8
Sridhar Komarneni
{"title":"Hydrothermal preparation of the low-expansion NZP family of materials","authors":"Sridhar Komarneni","doi":"10.1016/0267-3762(88)90062-8","DOIUrl":"10.1016/0267-3762(88)90062-8","url":null,"abstract":"<div><p>This paper reports on the synthesis of low thermal expansion NaZr<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> (NZP) and CaZr<sub>4</sub>(PO<sub>4</sub>)<sub>6</sub> (CZP) families of materials and their analogues for each of the alkali and alkaline earth metals by the hydrothermal method. Starting gels were prepared by mixing stoichiometric proportions of alkali and alkaline earth metal chlorides of nitrates with a 0·5<span>m</span> ZrOCl<sub>2</sub> solution and by titrating this mixture with a stoichiometric amount of 1·0<span>m</span> H<sub>3</sub>PO<sub>4</sub> while the solution was constantly stirred. The gels were dried to remove the HCl produced during the reaction between ZrOCl<sub>2</sub> and H<sub>3</sub>PO<sub>4</sub>, and were then heated with water in teflon-lined Parr bombs or gold capsules. In general, the hydrothermal method yielded 100–300 nm sized rhombohedral single crystals of different NZP materials at 175–200°C under saturated steam pressure conditions. The initial pH and the temperature of treatment are the most critical factors in the hydrothermal synthesis of these technologically important low expansion materials.</p></div>","PeriodicalId":100697,"journal":{"name":"International Journal of High Technology Ceramics","volume":"4 1","pages":"Pages 31-39"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0267-3762(88)90062-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78788325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 26
Crystal structure change of thermistor of MnCoz.sbnd;Ni oxides in firing process 烧成过程中mncoz、sbnd、Ni氧化物热敏电阻晶体结构的变化
International Journal of High Technology Ceramics Pub Date : 1988-01-01 Epub Date: 2003-06-11 DOI: 10.1016/0267-3762(88)90073-2
Takeshi Meguro, Tadashi Sasamoto, Takashi Yokoyama, Satoru Yamada, Yoshiaki Abe, Naochika Torikai
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引用次数: 0
Contents of volume 4 第四卷内容
International Journal of High Technology Ceramics Pub Date : 1988-01-01 Epub Date: 2003-06-11 DOI: 10.1016/0267-3762(88)90058-6
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引用次数: 0
Elastic properties of engineering ceramics at elevated temperature 工程陶瓷的高温弹性性能
International Journal of High Technology Ceramics Pub Date : 1988-01-01 Epub Date: 2003-06-11 DOI: 10.1016/0267-3762(88)90090-2
Shuji Sakaguchi, Fumihiro Wakai, Yosoo Matsuno
{"title":"Elastic properties of engineering ceramics at elevated temperature","authors":"Shuji Sakaguchi,&nbsp;Fumihiro Wakai,&nbsp;Yosoo Matsuno","doi":"10.1016/0267-3762(88)90090-2","DOIUrl":"10.1016/0267-3762(88)90090-2","url":null,"abstract":"","PeriodicalId":100697,"journal":{"name":"International Journal of High Technology Ceramics","volume":"4 1","pages":"Page 90"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0267-3762(88)90090-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79882493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Machine design requirements for uniaxial testing of ceramics materials 陶瓷材料单轴试验机器设计要求
International Journal of High Technology Ceramics Pub Date : 1988-01-01 Epub Date: 2003-06-11 DOI: 10.1016/0267-3762(88)90042-2
J.E. Amaral, C.N. Pollock
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引用次数: 4
High-temperature flexural strength of engineering ceramics 工程陶瓷的高温抗弯强度
International Journal of High Technology Ceramics Pub Date : 1988-01-01 Epub Date: 2003-06-11 DOI: 10.1016/0267-3762(88)90050-1
A. Marsh, D.A. Bell
{"title":"High-temperature flexural strength of engineering ceramics","authors":"A. Marsh,&nbsp;D.A. Bell","doi":"10.1016/0267-3762(88)90050-1","DOIUrl":"10.1016/0267-3762(88)90050-1","url":null,"abstract":"<div><p>The BCRL high-temperature flexural strength facility has been developed using the most suitable methods reported in the scientific literature. Temperature monitoring and control, together with stress-strain measurement are performed by a microcomputer with 16-bit analogue-to-digital converters, and the results are outputted to an intelligent plotter. The equipment is suitable for measurements on high strength ceramics and has been fully evaluated on a wide range of engineering ceramic materials.</p></div>","PeriodicalId":100697,"journal":{"name":"International Journal of High Technology Ceramics","volume":"4 2","pages":"Pages 269-273"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0267-3762(88)90050-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76064280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effects of ZrO2 ultrafine particle additive on the formation of Al2O3 from sulfate ZrO2超细颗粒添加剂对硫酸盐生成Al2O3的影响
International Journal of High Technology Ceramics Pub Date : 1988-01-01 Epub Date: 2003-06-11 DOI: 10.1016/0267-3762(88)90079-3
Keiji Daimon, Etsuro Kato
{"title":"Effects of ZrO2 ultrafine particle additive on the formation of Al2O3 from sulfate","authors":"Keiji Daimon,&nbsp;Etsuro Kato","doi":"10.1016/0267-3762(88)90079-3","DOIUrl":"10.1016/0267-3762(88)90079-3","url":null,"abstract":"","PeriodicalId":100697,"journal":{"name":"International Journal of High Technology Ceramics","volume":"4 1","pages":"Page 86"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0267-3762(88)90079-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80117048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Successive phase transitions of BaTiO3 ceramics synthesized by powder-calcination 粉末煅烧合成BaTiO3陶瓷的连续相变
International Journal of High Technology Ceramics Pub Date : 1988-01-01 Epub Date: 2003-06-11 DOI: 10.1016/0267-3762(88)90063-X
Akihiro Hamano, Tooru Atake, Yasutoshi Saito
{"title":"Successive phase transitions of BaTiO3 ceramics synthesized by powder-calcination","authors":"Akihiro Hamano,&nbsp;Tooru Atake,&nbsp;Yasutoshi Saito","doi":"10.1016/0267-3762(88)90063-X","DOIUrl":"10.1016/0267-3762(88)90063-X","url":null,"abstract":"<div><p>The BaTiO<sub>3</sub> ceramics has been synthesized by calcining the powdered reactants BaCO<sub>3</sub> and TiO<sub>2</sub> at various temperatures, to examine the influences of calcination temperature on the successive phase transitions. The properties of the products have been studied by differential thermal analysis, dielectric measurements, X-ray diffraction and scanning electron microscopy. While the cubic-tetragonal transition temperature shifts towards higher temperatures with increasing calcination temperature, the lower two transitions shift towards lower temperatures. The thermal and dielectric anomalies due to the phase transitions increase as the calcination temperature rises.</p></div>","PeriodicalId":100697,"journal":{"name":"International Journal of High Technology Ceramics","volume":"4 1","pages":"Pages 41-50"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0267-3762(88)90063-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91302501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Solubility of MgO in single-crystal Al2O3 MgO在单晶Al2O3中的溶解度
International Journal of High Technology Ceramics Pub Date : 1988-01-01 Epub Date: 2003-06-11 DOI: 10.1016/0267-3762(88)90075-6
Ken Ando, Masataka Momoda
{"title":"Solubility of MgO in single-crystal Al2O3","authors":"Ken Ando,&nbsp;Masataka Momoda","doi":"10.1016/0267-3762(88)90075-6","DOIUrl":"10.1016/0267-3762(88)90075-6","url":null,"abstract":"","PeriodicalId":100697,"journal":{"name":"International Journal of High Technology Ceramics","volume":"4 1","pages":"Page 84"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0267-3762(88)90075-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90178333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Behavior of mirror-like region of sintered Si3N4 under rotary bending 旋转弯曲下烧结Si3N4镜面区的行为
International Journal of High Technology Ceramics Pub Date : 1988-01-01 Epub Date: 2003-06-11 DOI: 10.1016/0267-3762(88)90089-6
Haeng-Nam Ko
{"title":"Behavior of mirror-like region of sintered Si3N4 under rotary bending","authors":"Haeng-Nam Ko","doi":"10.1016/0267-3762(88)90089-6","DOIUrl":"10.1016/0267-3762(88)90089-6","url":null,"abstract":"","PeriodicalId":100697,"journal":{"name":"International Journal of High Technology Ceramics","volume":"4 1","pages":"Page 89"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0267-3762(88)90089-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74426901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
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