high-temperature creep
Improvement of High temperature Creep Resistance in Polycrystalline Al2O3 by Cations Co doping
... High-temperature creep experiments were carried out under uniaxial compression in air at a constant load using a lever-arm testing machine with a resistance-heated furnace (HCT-1000, Toshin Industry, ...
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Microalloying Effects of Ca and Ni on High Temperature Creep Behavior in Mg Y Zn Alloys
... High temperature creep strength at 650 K and microstructures of Mg-Y-Zn-based alloys with fourth elements (nickel and calcium) have been ...The creep strength of the Mg-Y-Zn-Ca alloy is higher ...
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Novel direct method on the life prediction of component under high temperature-creep fatigue conditions
... to high temperature – creep fatigue ...of high temperature responses of structures, based upon the same fundamental assumptions and materials database as R5 but with significantly ...
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Limit Load Analysis of Pressure Structures Containing Pitting Defects Subjected to High Temperature Creep
... the high temperature components are usually designed for long term ...operation. Creep damages are inevitable in service, which may lead to the loss of material ...to creep, which may lead to ...
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A method of specimen corrosion protection for high temperature creep testing
... elevated temperature presents difficulties, particularly when the material to be tested is subject to ...of high temperature creep ...of high temperature fatigue ...the ...
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A proposed model for high temperature creep of tantalum
... the creep of tantalum at elevated temperature has been presented in which the increase in strain rate with strain is related to the reduction of ...dominant creep mechanism beyond the second stage of ...
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An Analysis of Flow Mechanisms in High Temperature Creep and Superplasticity
... between the stress fields of the leading dislocations on different but parallel slip planes, the leading screw disloca- tions on these different planes will have opposite signs and they readily cross-slip and annihilate. By ...
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The high temperature creep behavior of polycrystalline strontium zirconate.
... isothermal creep curves are shown in ^igure 2. It is observed that both temperature and stress similarly affect the shape of the curve, which is generally divided into four ...transient creep because ...
172
On creep fatigue interaction of components at elevated temperature
... of creep-fatigue interaction is an important issue for industrial components operating with large cyclic thermal and mechanical ...of creep fatigue interaction is proposed in this ...a high ...
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Application of a Composite Model in the Analysis of Creep Deformation at Low and Intermediate Temperatures
... room temperature, typical primary creep stages were observed in the creep strain - time curves of TA2 as shown in Figure ...the creep strain rate decreases with the increase of deformation at ...
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Improvement of Structural Integrity Assessment Guideline for Fast Reactor Components - Part II: Evaluation of Creep-Fatigue Crack Propagation
... at high operating temperature exceeding 500 ° ...and creep crack propagation law could be well described by the fatigue J-integral range and the creep J-integral, respectively ...a high ...
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Synthesis and mechanical properties of two phase nanostructured Al based composites
... Al and Pb powders (procured from Alfa-Aesar) with a purity of 99.97% and 99.9% respectively were used as raw materials. The powders were loaded into a tool steel vial in a glove box under a high purity argon ...
176
Creep and Shrinkage of high Performance Concr...
... on high performance concrete shrinkage and creep of several factors, such as: the age of the concrete at the application of the load, the stress level, the temperature and relative humidity of the ...
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Irradiation Stress Analysis of Graphite Bricks in HTR-10 - A Finite Element with Hybrid Model
... and creep usually happens to graphite components irradiated by fast neutron influence in nuclear reactors, especially in the high temperature-gas-cooled ...induced creep should be analyzed by ...
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Micromechanisms for plasticity and fracture of Si A1 0 N ceramics
... sintering. High magnification microscopy has revealed that most of the triple junctions of ceramic A and B contain extremely small amounts ('v 500 X) of glass ...
256
ABSTRACT:- A concrete element when kept under sustained load presents progressive strain over time,
... Within the limited scope of the present work, following conclusions are drawn. Measurement of creep is necessary to predict the long term behavior of structural members made of HSC. The creep has a ...
5
High Temperature Fatigue and Fatigue-Creep Responses of Alloy 617 - Experimental and Unified Constitutive Modeling.
... at high temperatures and thus alloy 617, a high temperature corrosion resistant nickel-chromium alloy, has been chosen as a potential material ...include high temperature design ...
130
An autographic elevated temperature creep testing facility
... reliable temperature control, and affording oxidation protection arise in the experimental determination of the elevated temperature creep properties of ...reliable temperature control for ...
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High Temperature Deformation Characteristics of Zirlo Tubing via Ring Creep and Burst Tests
... Normalized creep rates vs. normalized stress data (burst and ring creep tests) for CWSR ...Fundamental creep data are often obtained at higher temperatures and higher stresses in order to obtain the ...
5
High temperature indentation creep tests on anhydrite – a promising first look
... Apart from complex local deformation history, interpreta- tion of microfabrics related to indentation is hampered by in- homogeneous grain size and pronounced combined SPO and CPO of the starting material (Fig. 2). This ...
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