نتایج جستجو برای: stress rupture creep

تعداد نتایج: 485696  

2017
M. Saillard L. Audin J.-P. Avouac S. R. Hall L. Husson D. L. Farber Marianne Saillard

Measurement of interseismic strain along subduction zones reveals the location of both locked asperities, which might rupture during megathrust earthquakes, and creeping zones, which tend to arrest such seismic ruptures. The heterogeneous pattern of interseismic coupling presumably relates to spatial variations of frictional properties along the subduction interface and may also show up in the ...

2017
James Coakley Dong Ma Matthew Frost David Dye David N. Seidman David C. Dunand Howard J. Stone

In-situ neutron diffraction measurements were performed on monocrystalline samples of the Ni-based superalloy CMSX-4 during N-type g0 raft formation under the tensile creep conditions of 1150 C/ 100 MPa, and subsequently on a rafted sample under the low temperature/high stress creep conditions of 715 C/825 MPa. During 1150 C/100 MPa creep, the g0 volume fraction decreased from ~70% to ~50%, the...

Journal: :Isij International 2022

The effects of the neodymium content on creep properties and microstructures 9Cr-3Co-3W-Nd-B steel were investigated. Neodymium had a mild effect rupture strength at contents up to 0.056 mass%. This suggested that compounds solid-dissolved minimal in uniformly creep-deformed parts after normalizing tempering heat treatment. On other hand, reduction area was improved by addition neodymium. Creep...

2002

This chapter constitutes an introduction to creep and to the creep response of Aluminium and its alloys. Its major goals are: to provide basic information on creep and its mechanisms to give a description of the more extensively used mathematical relations among creep variables (time, stress and temperature) to illustrate the creep response of pure Aluminium and of Al-Mg alloys to provide a syn...

2016
Pratap Ganpatrao Patil Varsha Pratap Patil

From decades Creep has been known and studied for textile materials. In comparison, a newly observed phenomenon of inverse creep seems not to have received much attention. A new instrument has been fabricated to measure creep and inverse creep in textile materials particularly yarns. Creep and Inverse creep measurements of few of the textile yarns like nylon multifilament yarn, Polyester multif...

Journal: :Journal of composites science 2023

The integration of mesoscale modeling and macroscale experimentation has emerged as a promising approach for understanding predicting the mechanical behavior fatigue performance fiber-reinforced polymer composites. In this work, mean field homogenization technique is implemented to predict carbon-fiber-reinforced composites under cyclic loading conditions. To number cycles, Modified Gerber crit...

2017
Krishnagoud Manda Robert J Wallace Shuqiao Xie Francesc Levrero-Florencio Pankaj Pankaj

The time-independent elastic properties of trabecular bone have been extensively investigated, and several stiffness-density relations have been proposed. Although it is recognized that trabecular bone exhibits time-dependent mechanical behaviour, a property of viscoelastic materials, the characterization of this behaviour has received limited attention. The objective of the present study was t...

2000
Jeffrey L. Grabowski David C. Dunand

Bi2O3 is an excellent ceramic candidate for transformation-mismatch plasticity because of its low melting point, its allotropic nature and the rapid creep rate of its high-temperature d-phase. Transformation-mismatch plasticity, which has been reported in many polymorphic metals, alloys and composites [1], is a deformation mechanism taking place during a phase transformation: internal mismatch ...

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