{"title":"Preparation of cordierite ceramics from metal alkoxides (part 1) preparation and characterization of the powder","authors":"Hisao Suzuki, Kazuhide Ota, Hajime Saito","doi":"10.1016/0267-3762(87)90108-1","DOIUrl":"10.1016/0267-3762(87)90108-1","url":null,"abstract":"","PeriodicalId":100697,"journal":{"name":"International Journal of High Technology Ceramics","volume":"3 4","pages":"Page 335"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0267-3762(87)90108-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89002655","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}
{"title":"High-pressure self-combustion sintering of SiC from fine mixed powders of silicon and carbon","authors":"Osamu Yamada, Yoshinari Miyamoto, Mitsue Koizumi","doi":"10.1016/0267-3762(87)90070-1","DOIUrl":"10.1016/0267-3762(87)90070-1","url":null,"abstract":"","PeriodicalId":100697,"journal":{"name":"International Journal of High Technology Ceramics","volume":"3 1","pages":"Page 84"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0267-3762(87)90070-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83602844","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}
{"title":"High temperature creep and slow crack growth properties of HPSN as an example of ceramics containing a glassy phase","authors":"D. Bethge","doi":"10.1016/0267-3762(87)90002-6","DOIUrl":"10.1016/0267-3762(87)90002-6","url":null,"abstract":"<div><p>The high temperature creep kinetics and the slow propagation of cracks in hot-pressed silicon nitride with a glassy phase were investigated. In addition, creep tests under constant load (4-point-bending), compliance measurements and stress relaxation experiments were carried out. Specimens with trapezoidal cross sections were used to determine the ratio of the creep rates in tension and compression. A two phase model, based on the compliance measurements, describes well the kinetics of primary creep.</p><p>A consideration of the strength criterion for slow crack growth can be neglected for materials undergoing viscous flow or creep. A crack propagates, whenever the free energy of the sample is thereby lowered. Assuming that the voids nucleated in the near crack stress field and in the whole (creeping) specimen contribute to crack propagation, theory and experiments are in agreement.</p></div>","PeriodicalId":100697,"journal":{"name":"International Journal of High Technology Ceramics","volume":"3 3","pages":"Pages 199-230"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0267-3762(87)90002-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78262048","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}
{"title":"Preparation of fine silicon nitride powders by vapor phase reaction of nitrogen containing organosilicon compound with ammonia","authors":"Takasi Suzuki, Takamasa Kawakami, Takesi Koyama, Kansei Izaki, Rieko Nakano, Takuji Shitara, Koichi Hakkei, Toshio Hirai, Koichi Niihara","doi":"10.1016/0267-3762(87)90102-0","DOIUrl":"https://doi.org/10.1016/0267-3762(87)90102-0","url":null,"abstract":"","PeriodicalId":100697,"journal":{"name":"International Journal of High Technology Ceramics","volume":"3 4","pages":"333-334"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0267-3762(87)90102-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72278919","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}
{"title":"Microstructures and mechanical properties of TiO2-added alumina ceramics","authors":"Chii-Shyang Hwang, Zenbe-e Nakagawa, Kenya Hamano","doi":"10.1016/0267-3762(87)90049-X","DOIUrl":"10.1016/0267-3762(87)90049-X","url":null,"abstract":"","PeriodicalId":100697,"journal":{"name":"International Journal of High Technology Ceramics","volume":"3 2","pages":"Page 174"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0267-3762(87)90049-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84020146","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}
{"title":"Fracture toughness of SiC whisker reinforced Si3N4 ceramics","authors":"Kazuo Ueno, Satoshi Sodeoka","doi":"10.1016/0267-3762(87)90011-7","DOIUrl":"10.1016/0267-3762(87)90011-7","url":null,"abstract":"","PeriodicalId":100697,"journal":{"name":"International Journal of High Technology Ceramics","volume":"3 3","pages":"Page 254"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0267-3762(87)90011-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85401705","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}
{"title":"Preparation of zirconia ceramics with straight and uniform-sized channels","authors":"Akio Kato, Hiroaki Mizumoto","doi":"10.1016/0267-3762(87)90058-0","DOIUrl":"10.1016/0267-3762(87)90058-0","url":null,"abstract":"","PeriodicalId":100697,"journal":{"name":"International Journal of High Technology Ceramics","volume":"3 2","pages":"Page 177"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0267-3762(87)90058-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89885727","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}
Kwang Jin Kim, Masahiro Yoshimura, Shigeyuki Sōmiya
{"title":"Hydrothermal crystal synthesis of solid solutions in the system SrF2LaF3","authors":"Kwang Jin Kim, Masahiro Yoshimura, Shigeyuki Sōmiya","doi":"10.1016/0267-3762(87)90003-8","DOIUrl":"10.1016/0267-3762(87)90003-8","url":null,"abstract":"<div><p>The possibility of the hydrothermal crystal synthesis/growth of the SrF<sub>2</sub>-solid solutions by spontaneous nucleation is studied in the system SrF<sub>2</sub>LaF<sub>3</sub>. The lattice parameters of the solid solutions synthesized at 750°C by solid state reaction for 23 days in vacuum, or by hydrothermal reaction for 1 day under 100 MPa in 10 wt% LiCl solution, were identical. The composition of the <em>Sr</em><sub>1−<em>s</em></sub><em>La</em><sub><em>x</em></sub><em>F</em><sub>2+<em>x</em></sub> crystals could be controlled by the starting composition. Single cubic crystals (<em>x</em> = 0·4) about 0·2 mm in size were grown at 650°C for 7 days under 100 MPa in 10 wt% LiCl aqueous solution from the composition containing 50 wt% SrF<sub>2</sub>. Single hexagonal plate-like cyrstals of LaF<sub>3</sub>-solid solution were also obtained, being about 0·2 mm in size. Hydroxyl ions (OH<sup>−</sup>) were not detected in the products by infrared spectroscopy.</p></div>","PeriodicalId":100697,"journal":{"name":"International Journal of High Technology Ceramics","volume":"3 3","pages":"Pages 231-241"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0267-3762(87)90003-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86569338","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}