Effect of Heat Treatment on the Mechanical Strength of Hollow Core Silicon Carbide Fibers

被引：2
|
作者：
Prokip, V. E. [1 ]
Lozanov, V. V. [1 ]
Bannykh, D. A. [1 ]
Baklanova, N. I. [1 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Inst Solid State Chem & Mech, Ul Kutateladze 18, Novosibirsk 630128, Russia
来源：
INORGANIC MATERIALS | 2020年 / 56卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
silicon carbide; fiber; strength; heat treatment; morphology;
D O I：
10.1134/S0020168520030152
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have determined the tensile mechanical strength of Nicalon CG and Tyranno SAK hollow core silicon carbide fibers after repeated heat treatments at a temperature of 900 degrees C. Analysis of the effect of the number of heat treatment cycles on strength characteristics of the two types of fiber has shown that the statistical strength and Weibull modulus of the Nicalon CG fiber decrease considerably in comparison with those of the Tyranno SAK fiber, which is due to the increase in the number and size of defects on the Nicalon CG fiber as the number of heat treatment cycles increases.
引用
收藏
页码：241 / 248
页数：8
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