Mechanical behavior of Al−Li−SiC composites: Part I. Microstructure and tensile deformation

1999 ◽  
Vol 30 (13) ◽  
pp. 845-855 ◽  
Author(s):  
P. Poza ◽  
J. Llorca
Keyword(s):  
Mechanical Behavior ◽  
Tensile Deformation ◽  
Sic Composites

Mechanical behavior of SiCf/SiC composites with alternating PyC/SiC multilayer interphases

2013 ◽  
Vol 44 ◽  
pp. 320-324 ◽  
Author(s):  
Haijiao Yu ◽  
Xingui Zhou ◽  
Wei Zhang ◽  
Huaxin Peng ◽  
Changrui Zhang
Keyword(s):  
Mechanical Behavior ◽  
Sic Composites

Mechanical Behavior of 2D C/SiC Composites at Elevated Temperatures under Uniaxial Compression

2011 ◽  
Vol 462-463 ◽  
pp. 1-6 ◽  
Author(s):  
Tao Suo ◽  
Yu Long Li ◽  
Ming Shuang Liu
Keyword(s):  
Compressive Strength ◽  
High Temperature ◽  
Carbon Fiber ◽  
Mechanical Behavior ◽  
Uniaxial Compression ◽  
Room Temperature ◽  
Elevated Temperatures ◽  
Carbon Matrix ◽  
Structural Applications ◽  
Sic Composites

As Carbon-fiber-reinforced SiC-matrix (C/SiC) composites are widely used in high-temperature structural applications, its mechanical behavior at high temperature is important for the reliability of structures. In this paper, mechanical behavior of a kind of 2D C/SiC composite was investigated at temperatures ranging from room temperature (20C) to 600C under quasi-static and dynamic uniaxial compression. The results show the composite has excellent high temperature mechanical properties at the tested temperature range. Catastrophic brittle failure is not observed for the specimens tested at different strain rates. The compressive strength of the composite deceases only 10% at 600C if compared with that at room temperature. It is proposed that the decrease of compressive strength of the 2D C/SiC composite at high temperature is influenced mainly by release of thermal residual stresses in the reinforced carbon fiber and silicon carbon matrix and oxidation of the composite in high temperature atmosphere.

Grain Size Distribution Effect on Mechanical Behavior of Nanocrystalline Materials

2004 ◽  
Vol 821 ◽  
Author(s):  
A.V. Sergueeva ◽  
N.A. Mara ◽  
A.K. Mukherjee
Keyword(s):  
Grain Size ◽  
Mechanical Behavior ◽  
Size Distribution ◽  
Grain Size Distribution ◽  
Nanocrystalline Materials ◽  
Tensile Deformation ◽  
Size Structure ◽  
Niti Alloy ◽  
Distribution Effect ◽  
The Matrix

AbstractGrain size distribution effect on the mechanical behavior of NiTi and Vitroperm alloys were investigated. Yielding at significantly lower stresses than found in equiaxed counterparts, along with well defined strain hardening was observed in these nanocrystalline materials with large grains embedded in the matrix during tensile deformation at temperatures of 0.4Tm. At higher temperature the effect of grain size distribution on yield stress was not revealed while plasticity was increased in 50% in NiTi alloy with bimodal grain size structure.

The effect of strain rate on the tensile deformation of Ti-6Al-4V/SiC composites

2001 ◽  
Vol 44 (11) ◽  
pp. 2667-2671 ◽  
Author(s):  
F. Gálvez ◽  
C. González ◽  
P. Poza ◽  
J. LLorca
Keyword(s):  
Strain Rate ◽  
Tensile Deformation ◽  
Sic Composites

Mechanical behavior of C/SiC composites under simulated space environments

2012 ◽  
Vol 534 ◽  
pp. 408-412 ◽  
Author(s):  
Bi-feng Zhang ◽  
Song Wang ◽  
Wei Li ◽  
Zhao-hui Chen
Keyword(s):  
Mechanical Behavior ◽  
Space Environments ◽  
Sic Composites

Effect of Freeze/Thaw Process on Mechanical Behavior of Double-Network Hydrogels in Finite Tensile Deformation

2018 ◽  
Vol 51 (3) ◽  
pp. 1052-1057 ◽  
Author(s):  
S. Shams Es-haghi ◽  
Morgan B. Mayfield ◽  
R. A. Weiss
Keyword(s):  
Mechanical Behavior ◽  
Tensile Deformation ◽  
Double Network ◽  
Freeze Thaw

Mechanical Behavior of Materials under Tensile Loads

2004 ◽  
pp. 13-31
Keyword(s):  
Tensile Test ◽  
Mechanical Behavior ◽  
Tensile Deformation ◽  
True Strain ◽  
Strain Curve ◽  
Tensile Specimen ◽  
Stress Strain Curve ◽  
Stress Strain ◽  
Mathematical Expressions ◽  
Reduction In Area

Abstract This chapter focuses on mechanical behavior under conditions of uniaxial tension during tensile testing. It begins with a discussion on the parameters that are used to describe the engineering stress-strain curve of a metal, namely, tensile strength, yield strength or yield point, percent elongation, and reduction in area. This is followed by a section describing the parameters determined from the true stress-true strain curve. The chapter then presents the mathematical expressions for the flow curve. Next, it reviews the effect of strain rate and temperature on the stress-strain curve. The chapter then describes the instability in tensile deformation and stress distribution at the neck in the tensile specimen. It discusses the processes involved in ductility measurement and notch tensile test in tensile specimens. The parameter that is commonly used to characterize the anisotropy of sheet metal is covered. Finally, the chapter covers the characterization of fractures in tensile test specimens.

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