Mechanical properties of hot-pressed Si_3N_4-TiN grain composites

ALEKSANDRA DUBIEL

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Mechanical properties of hot-pressed Si_3N_4-TiN grain composites

机译：热压Si_3N_4-TiN颗粒复合材料的力学性能

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摘要

W pracy zbadano właściwości mechaniczne kompozytów ziarnistych Si_3N_4-TiN otrzymywanych metodą prasowania na gorąco z komercyjnych proszków. Drobnoziarnisty azotek tytanu był homogenicznie rozmieszczony w mikrostrukturze spieków. Zaobserwowano poprawę wytrzymałości na zginanie materiałów. Odporność na kruche pękanie kompozytów nie uległa poprawie.%Dense Si_3N_4-TiN composites were prepared from commercial powders using hot pressing method. Titanium nitride grains were homogenously distributed in material's microstructure. Flexural strength of materials increased with TiN amount and reached 880 MPa. Fracture toughness of materials varied between 7 and 8 MPa m~(0.5).

机译：该研究检查了通过热压从商业粉末获得的Si_3N_4-TiN颗粒复合材料的力学性能。细晶粒的氮化钛均匀地分布在烧结的显微组织中。观察到材料的抗弯强度有所改善。复合材料的断裂韧性没有改善。％致密的Si_3N_4-TiN复合材料是由商业粉末通过热压法制备的。氮化钛晶粒均匀地分布在材料的微观结构中。材料的抗弯强度随TiN含量的增加而增加，达到880 MPa。材料的断裂韧性在7至8 MPa m〜（0.5）之间变化。

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来源
《Mechanik》 |2016年第6期|494-495|共2页
作者
ALEKSANDRA DUBIEL;
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作者单位

Katedra Ceramiki i Materialow Ogniotrwalych, Wydzial Inzynierii Materialowej i Ceramiki, Akademia Gorniczo-Hutnicza;

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原文格式 PDF
正文语种 eng
中图分类
关键词
composites; titanium nitride; silicon nitride; mechanical properties;

机译：复合材料氮化钛氮化硅机械性能;

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2. laminar Si_3N_4-TiN Hot-pressed ceramic composites [J] . V.Yaroshenko, N.Orlovskaya, M.-A.Einarsrud Key Engineering Materials . 1997,第Parta3期

机译：层状Si_3N_4-TiN热压陶瓷复合材料
3. Effects of testing temperature and thermal treatments on some mechanical properties of a Si_3N_4-TiN composite [J] . S. Guicciardi, C. Melandri, V. Medri Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing . 2003,第1a2期

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4. PROCESSING OF MULTILAYERED Si_3N_4-TiN HOT-PRESSED CERAMIC COMPOSITES [C] . NATO advanced research workshop on multilayered and fibre-reinforced composites: Problems and prospects . 1998

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5. Particle Size/ Grain Size Correlation and Mechanical Properties of Spark Plasma Sintered 8Y-ZrO2, MgAl2O4, and Al2O3 Based Composites [D] . Karandikar, Keyur Kashinath. 2018

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7. Mechanical properties of hot-pressed Si3N4-TiN grain composites [O] . Aleksandra Dubiel 2016

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8. Elastic anisotropy in hot-pressed Si(sub 3)N(sub 4) composites: Role of in situ (beta)-Si(sub 3)N(sub 4) grains and added (beta)-Si(sub 3)N(sub 4) whiskers [R] . Manghnani, M. H. , Fisher, E. S. , Li, F. Y. , 1994

机译：热压si（sub 3）N（sub 4）复合材料的弹性各向异性：原位（β）-si（sub 3）N（sub 4）晶粒和添加的β-si（sub 3）N的作用（ sub 4）胡须

Mechanical properties of hot-pressed Si_3N_4-TiN grain composites

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