Local elastic moduli of particle-filled B83 babbitt-based composite materials prepared by powder metallurgy techniques

被引：9

作者：

Kalashnikov, I. E. ^{[1
]}

Podymova, N. B. ^{[2
,3
]}

Karabutov, A. A. ^{[3
,4
]}

Bolotova, L. K. ^{[1
]}

Kobeleva, L. I. ^{[1
]}

Kolmakov, A. G. ^{[1
]}

机构：

[1] Russian Acad Sci, Baikov Inst Met & Mat Sci, Leninskii Pr 49, Moscow 119991, Russia

[2] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119899, Russia

[3] Natl Univ Sci & Technol, Moscow Steel & Alloys Inst, Leninskii Pr 4, Moscow 119049, Russia

[4] Moscow MV Lomonosov State Univ, Ctr Int Laser, Moscow 119899, Russia

来源：

INORGANIC MATERIALS | 2016年 / 52卷 / 04期

关键词：

composite material; babbitt metal; micron- and nanometer-sized fillers; optoacoustic laser method; longitudinal and shear acoustic waves; elastic moduli;

D O I：

10.1134/S0020168516040063

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have measured local elastic moduli of particle-filled B83 babbitt-matrix composite materials produced by powder metallurgy techniques and containing silicon carbide (SiC) ceramic and modified shungite rock particles as fillers. The measurements were made by an optoacoustic laser method, whose basic principle is to determine the phase velocities of thermo-optically excited longitudinal and shear ultrasonic waves. The addition of 3 wt % of high-modulus SiC particles tends to increase the Young's and shear moduli (by 10-12%) and decrease Poisson's ratio (by 5%) relative to a hot-pressed B83 babbitt sample without fillers.

引用

页码：429 / 434

页数：6

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