Simulation of fatigue behavior of high temperature metal matrix composites

Publisher: National Aeronautics and Space Administration, Publisher: National Technical Information Service, distributor in [Washington, DC, Springfield, Va

Written in English

Published: 1996 Downloads: 99

Subjects:

Computer programs.,
Metal matrix composites.,
Titanium.,
Thermal fatigue.,
Fatigue life.,
Thermodynamics.

Edition Notes

The Physical Object
Statement	Mike T. Tong ... [et al.].
Series	[NASA contractor report] -- NASA-CR-204605., NASA contractor report -- NASA CR-204605.
Contributions	Tong, Mike T., United States. National Aeronautics and Space Administration.
Format	Microform
Pagination	1 v.
ID Numbers
Open Library	OL15485854M

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@article{osti_, title = {Investigation of tension-compression fatigue behavior of a cross-ply metal matrix composite at room and elevated temperatures. Master's thesis}, author = {Boyum, E.A.}, abstractNote = {This research, the first load-controlled tension-compression fatigue testing to be performed on a MMC, extends the existing knowledge of MMC fatigue damage mechanisms to . Get this from a library! High temperature fatigue behavior of a SiC/TiAlNb composite. [Paul A Bartolotta; P K Brindley; United States. National Aeronautics and Space Administration.]. In this paper, a two dimensional Voronoi cell element, formulated with creep, thermal and plastic strain, is applied for the numerical simulation of thermo-mechanical fatigue behavior for particulate reinforced composites. The relation between mechanical fatigue phases and thermal fatigue phases influences the thermo-mechanical fatigue behavior and cyclic creep by: 5. The interface shear stress in C/SiC and SiC/SiC ceramic-matrix composites with different fiber preforms, i.e. unidirectional, cross-ply, 2D woven, D woven, and 3D braided, under cyclic fatigue.

The present discussion will begin by defining the “problem” of fatigue behavior of composite materials, after which a representative spectrum of physical observations will be cited and models of the behavior presented. Both unnotched and notched behavior will be by: @article{osti_, title = {Fatigue behavior of a cross-ply metal matrix composite at elevated temperature under strain controlled mode. Master`s thesis}, author = {Dennis, L.B.}, abstractNote = {This research extends the existing knowledge of cross-ply metal matrix composites (MMC) to include fatigue behavior under strain-controlled fully reversed loading. The fatigue of composite materials presents a tremendous challenge when one considers the number and variety of parameters that can possibly affect the governing mechanisms. There is a considerable risk of the fatigue design becoming empirically based, and quite cost-ineffective, if rational guidelines based on physical models cannot be : Ramesh Talreja, Chandra Veer Singh. T1 - Fatigue crack growth of SiC particle reinforced metal matrix composites. AU - Chawla, Nikhilesh. AU - Ganesh, V. V. PY - /5/1. Y1 - /5/1. N2 - High stiffness ceramic reinforcement in a light alloy matrix can result in a substantial increase in fatigue resistance while maintaining cost at an acceptable by:

@article{osti_, title = {Fatigue behavior of a cross-ply ceramic matrix composite at elevated temperature under tension-tension loading. Master`s thesis}, author = {Steiner, C.D.}, abstractNote = {This study investigated the fatigue behavior and damage mechanisms of a (0/90)4s SiC/MAS ceramic matrix composite under tension-tension loading at two elevated temperatures and two frequencies. Very Low Cycle Fatigue Behavior of Ni-base Superalloys at High Temperature. Mr. James DeMarco, Jr. Mechanical Characterization and Numerical Simulation of an Aluminum Metal Matrix Composite. Mr. Alex Nazar. Sophomore, Mechanical Engineering Mechanical Characterization of an Ultra High Temperature Composite. Mr. Thomas Silvers. MS. @article{osti_, title = {Fatigue behavior of a cross-ply ceramic matrix composite subjected to tension-tension cycling with hold time. Master`s thesis}, author = {Grant, S A}, abstractNote = {This study was carried out to investigate the elevated temperature behavior of the SiC-MAS5 cross- ply (O/9O)4S ceramic matrix composite manufactured by Corning Inc. to fatigue with loading waveforms. A homogenised FE model is considered in all analyses, which consist of continuous silicon carbide fibres embedded in a square T3 aluminium alloy matrix array. Various factors that affect creep and fatigue behaviours of composites are analysed and discussed, including effects of the applied load level, dwell period and temperature on the MMC Author: D. Barbera, H.F. Chen and Y.H. Liu.

Recent

Simulation of fatigue behavior of high temperature metal matrix composites Download PDF EPUB FB2

Simulation of fatigue behavior of high temperature metal matrix composites (HT-MMCs). This theory is embedded in a specialty-purpose computer code. The effectiveness of the computer code to predict the fatigue behavior of HT-MMCs is demonstrated by applying it to a silicon-fiber/titanium-matrix HT-MMC.

Comparative results are shown for mechanical. Get this from a library. Simulation of fatigue behavior of high temperature metal matrix composites. [Mike T Tong; United States. National Aeronautics and Space Administration.;]. A generalized relatively new approach is described for the computational simulation of fatigue behavior of high temperature metal matrix composites (HT-MMCs).

This theory is embedded in a specialty-purpose computer by: 6. A generalized relatively new approach is described for the computational simulation of fatigue behavior of high temperature metal matrix composites (HT-MMCs).

This theory is embedded in a specialty-purpose computer code. Fatigue and Fracture Behavior of High Temperature Materials. Editor(s): Peter K. Liaw; Mechanisms of High‐Temperature Fatigue and Fracture in Silicon Carbide Ceramics (Pages: ) Da Chen; Influence of Hold Time and Temperature on Low‐Cycle Fatigue Behavior of Cobalt‐Based Superalloy Haynesr̀ (Pages: ).

According to this philosophy, manufacturing a lightweight composite material to resist fatigue at high temperatures, have high performance, and have high specific strength requires moving away from metals and ceramics as matrix materials; therefore the obvious choice of the specialists is to use polymers as a matrix material for these conditions, because they fulfill the above properties.Author: N.

Saad. A low temperature cure inorganic matrix, known as geopolymer or polysialate, is currently being investigated for use in high temperature applications.

It provides an excellent opportunity for achieving the goal of producing low cost high temperature resistant composite. Continuously reinforced metal matrix composites such as silicon carbide fibre reinforced titanium matrix composites (TMCs) have a great potential for use in the aerospace industry.

These composites are stronger, more temperature resistant and have a lower weight to stiffness ratio than conventional metal alloys. However, complex damage and failure behaviour of these materials as well as high manufacturing costs Cited by: 9.

High Temperature Mechanical Behavior of Ceramic Composites provides an up-to-date comprehensive coverage of the mechanical behavior of ceramic matrix composites at elevated temperatures.

Topics include both short-term behavior (strength, fracture toughness and R-curve behavior) and long-term behavior (creep, creep-fatigue, delayed failure and. the cyclically enhanced creep, the creep enhanced plasticity and creep ratchetting due to the creep fatigue.

interaction. A series of crucial parameters for crack initiation assessment can be identified, such as the. start of dwell stress, the creep strain and the total strain range. This important book reviews the latest research in modelling and predicting creep and fatigue in polymer matrix composites.

The first part of the book reviews the modelling of viscoelastic and viscoplastic behaviour as a way of predicting performance and service life. Part two discusses techniques for modelling creep rupture and failure. The final part of the book discusses ways of testing and predicting long-term creep and fatigue in polymer matrix composites.

The effect of aqueous environments on the fatigue crack propagation of several metal matrix composites has been investigated. The fatigue cracking behavior and mechanisms in continuous graphite-Al and Al 2O 3 Al and in discontinuous SiCAl materials were by: The nonlinear behavior of a high-temperature metal-matrix composite (HT-MMC) was simulated by using the METCAN (Metal Matrix Composite Analyzer) computer code.

The simulation started with the fabrication process, proceeded to thermo- mechanical cyclic loading, and ended with the application of a monotonic load. Abstract Computational procedures are described to simulate the thermal and mechanical behavior of high temperature metal matrix composites (HT-MMC) in the following three broad areas: (1) Behavior of HT-MMC's from micromechanics to laminate via Metal Matrix Composite Analyzer (METCAN), (2) tailoring of HT-MMC behavior for optimum specific performance via Metal Matrix Laminate Tailoring.

This proceedings contains 78 papers from the 8th International Conference on High Temperature Ceramic Matrix Composites, held Septemberin Xi'an, Shaanxi, rs include: Ceramic Genome, Computational Modeling, and Design.

The nonlinear behavior of a high-temperature metal-matrix composite (HT-MMC) was simulated by using the metal matrix composite analyzer (METCAN) computer code. The simulation started with the fabrication process, proceeded to thermomechanical cyclic loading, and Author: Pascal K.

Gotsis and Christos C. Chamis. The METCAN (Metal Matrix Composite Analyzer) computer code is used to simulate the nonlinear behavior of select metal matrix composites in order to assess their potential for high temperature structural applications. Material properties for seven composites are generated at a.

A numerical simulation that predicted fatigue-like behavior resulting from chemical attack of bridging fibers in a cracked composite was developed. Chemical attack of bridging fibers led to mechanical failure of bridging fibers, and a corresponding reduction in the closure stress.

As the closure stress decreased, the crack grew to form new bridging : D. Coon, A. Motkur. This book provides in a single and unified volume a clear and thorough presentation of the recent advances in continuum damage mechanics for metals and metal matrix composites. Emphasis is placed on the theoretical formulation of the different constitutive models in this area, but sections are added to demonstrate the applications of the theory.

Long-Term Durability of Polymeric Matrix Composites presents a comprehensive knowledge-set of matrix, fiber and interphase behavior under long-term aging conditions, theoretical modeling and experimental methods.

This book covers long-term constituent behavior, predictive methodologies, experimental validation and design practice. A model based on the geometry of the phases is introduced in order to investigate the mechanical properties of interpenetrating microstructures.

In order to characterize the elastic and elastic-plastic properties of the composite a self consistent unit cell model is applied on a wide range of volume fractions for an Al/TiO2 composite. Besides the volume fraction a microstructural based Author: Siegfried Schmauder, Ulrich Weber, Andreas Reuschel, Markus Willert.

Polymer Matrix Composites FINDINGS Polymer matrix composites (PMCs) are com-prised of a variety of short or continuous fibers bound together by an organic polymer matrix. Unlike a ceramic matrix composite (CMC), in which the reinforcement is used primarily to im-prove the fracture toughness, the reinforcement in a PMC provides high strength and.

The isothermal and nonisothermal fatigue resistance of a metal matrix composite (MMC) consisting of TiV-3Cr-3Al-3Sn (Ti) matrix reinforced by 33 vol pct continuous SiC fibers was investigated.

: The influence of the reinforcing particle shape and interface strength on the fracture behavior of a metal matrix composite. Acta Mater. 57, 97 – (). @article{osti_, title = {Fatigue behavior of a cross-ply metal matrix composite at elevated temperature under the strain controlled mode}, author = {Sanders, B P and Mall, S and Dennis, L B}, abstractNote = {A study was conducted to investigate the fatigue behavior of a cross-ply metal matrix composite subjected to fully-reversed, strain-controlled fatigue cycling at elevated temperature.

In this paper, fatigue tests were conducted on the new class of magnesium matrix composite reinforced with amorphous alloy particle. The high cycle fatigue behavior and the ability to resist crack.

To identify the role of silicon carbide participate reinforcement on high-temperature thermomechanical fatigue behavior of Al 2xxx-T4, experiments have been conducted under thermomechanical out-of-phase and in-phase loading conditions. A general constitutive representation, based on Eshelby’s inclusion theory, is used for the determination of volumetric average stresses and Cited by: 7.

eFatigue: Fatigue Analysis on the Web. The eFatigue website gives you easy access to modern fatigue analysis tools and technology from any web browser— everything you need for computing the fatigue lives of metallic machine components and structures, including fatigue calculators, material databases, and stress concentration an eFatigue subscription, you'll also have access to.

the average behavior of the constltuents to predict composlte behavior. INTRODUCTION High temperature metal matrix composites (HTMMC) are emerglng as candi-date materials offering high potentlal payoffs in hot structures applications for advanced aerospace propulsion systems.

Reallzatlon of these high potential. Metal Matrix Composites. Ceramic Matrix Composites Composite Materials: Science and Engineering aramid behavior bonding boron called carbide carbon fiber ceramic Chapter characteristics Chawla chemical coefficient components Composite Materials compressive constants containing continuous crack creep crystalline curing cycles.

Fatigue Behavior of the Composite The results of fatigue tests on the composite are summarized in table As the fatigue data on composite were generated using a load-controlled test system, a stress based comparison of the composite and the matrix alloy will be presented first (fig.

7).At "C the fatigue life of the composite is more than 10 times greater than that of the matrix alloy at.Computational simulations, fatigue behavior, high temperature metal matrix composites, Computer codes, Constitutive relationships, Constitutive response, Correlations, Crack arrest, fiber-reinforced composites.

Crack bridging, Crack growth fatigue cracks, Purchase Fatigue of Composite Materials, Volume 4 - 1st Edition. Print Book & E-Book. ISBNBook Edition: 1.