A. B. Ankudinov, V. A. Zelensky, N. P. Cherezov, V. S. Erasov, V. S. Shustov, I. V. Saikov, M. I. Alymov
{"title":"Influence of Sintering Conditions and Pore Former Content in the Starting Mixture on Characteristics of Porous Titanium Prepared from TiH2 Powder","authors":"A. B. Ankudinov, V. A. Zelensky, N. P. Cherezov, V. S. Erasov, V. S. Shustov, I. V. Saikov, M. I. Alymov","doi":"10.1134/S0020168524700808","DOIUrl":null,"url":null,"abstract":"<p>Highly porous titanium, with porosity above 59%, has been prepared by a powder metallurgy method, using ammonium bicarbonate (NH<sub>4</sub>HCO<sub>3</sub>) as a pore former. We have studied the influence of the pore former content (0, 10, 20, 30, and 60 vol %) in the starting mixture and the sintering temperature and medium on the porosity and strength of porous titanium. The porosity of the material has been shown to rise with increasing pore former content. Moreover, samples sintered in vacuum and argon differ in porosity. The strength of the porous samples has been shown to decrease with increasing pore former content and depend on the sintering medium and temperature. The strength of the vacuum-sintered samples is usually higher, occasionally reaching 1449 MPa. The sintering temperature has little effect on compressive strength characteristics of the porous samples.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"60 5","pages":"588 - 595"},"PeriodicalIF":0.9000,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Inorganic Materials","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1134/S0020168524700808","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
Highly porous titanium, with porosity above 59%, has been prepared by a powder metallurgy method, using ammonium bicarbonate (NH4HCO3) as a pore former. We have studied the influence of the pore former content (0, 10, 20, 30, and 60 vol %) in the starting mixture and the sintering temperature and medium on the porosity and strength of porous titanium. The porosity of the material has been shown to rise with increasing pore former content. Moreover, samples sintered in vacuum and argon differ in porosity. The strength of the porous samples has been shown to decrease with increasing pore former content and depend on the sintering medium and temperature. The strength of the vacuum-sintered samples is usually higher, occasionally reaching 1449 MPa. The sintering temperature has little effect on compressive strength characteristics of the porous samples.
期刊介绍：
Inorganic Materials is a journal that publishes reviews and original articles devoted to chemistry, physics, and applications of various inorganic materials including high-purity substances and materials. The journal discusses phase equilibria, including P–T–X diagrams, and the fundamentals of inorganic materials science, which determines preparatory conditions for compounds of various compositions with specified deviations from stoichiometry. Inorganic Materials is a multidisciplinary journal covering all classes of inorganic materials. The journal welcomes manuscripts from all countries in the English or Russian language.
求助内容：
应助结果提醒方式：
京公网安备 11010802042870号
