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The notch strengthening effect is studied experimentally in closed cell aluminum foams. The limit loads, net section strength were found for a set of double-edge-notched (DEN) and single-edge

"We enjoy this work, because when you need us it's because you have a problem. And we get to solve that problem. Notch strengthening in titanium aluminides under monotonic loading Author MILKE, J. G 1; BEUTH, J. L 1; BIERY, N. E 2 [1] Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213-3890, United States In this study, the notch effect of different types of 304 stainless steel rod notch is studied because of the problem of difficulty in measuring the notch root strain of 304 rod stainless steel, and the parameters of the annular notch root are analyzed. The notch angle, notch depth, and notch root radius are the main parameters of the stress field affecting the annular notch, and the 2014-06-01 · For example, NSR >> 1 means notch strengthening, while NSR << 1 means notch weakening, and NSR ∼ 1 indicated that the strength of material is insensitive to notch. Obviously, the nominal strength of NTS-1 with small K t = 2.23 is higher than that of the unnotched sample UNTS, showing a notch strengthening behavior with NSR a little larger than 1. 2019-05-01 · Notch strengthening in nanoscale metallic glasses 1. Introduction.

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Request PDF | Notch strengthening in nanoscale metallic glasses | The study of structural flaws is of paramount importance in engineering applications. However, the effect of flaws on both the A study of notch and frequency effects on fatigue life at high temperature is carried out using notched and unnotched plate specimens of SS 304 under stress-controlled testing conditions. Analysis of the {sigma}-N{sub f} results obtained at 600 C under fatigue and creep-fatigue conditions allowed the generalization of the {sigma}-N{sub f}-K{sub t} relation proposed in an earlier study. Fingerprint Dive into the research topics of 'Notch strengthening and Its impact on the deformation and fracture of 316L stainless steel'. Together they form a unique … 2021-02-19 OSTI.GOV Journal Article: Notch-strengthening phenomenon under creep-fatigue loading conditions Title: Notch-strengthening phenomenon under creep-fatigue loading conditions Full Record Notch Effect of Materials: Strengthening or Weakening? Ruitao Qu, Peng Zhang, Zhefeng Zhang* Shenyang National Laboratory for Materials Science, Institute of Metal Research, 2015-05-01 Notch is a very important geometry with widespread applications in engineering structural components.

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Dec 8, 2020 However, glass, a brittle material, has its vulnerability to fracture. Processes such as heat treatment (heat tempering) or chemical strengthening 

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Endosomal sorting of notch receptors through commd9-dependent pathways of different strengthening techniqueshave been evaluated experimentally with 

Notch strengthening

Notch strengthening is well documented for metals and normally arises because the triaxial stress at the notch tip suppresses yield until the axial stress across the notch is considerably greater than the yield stress, Gy . From slip-line field theory, a value of 3Gy is generally taken as the 2000-12-01 The notch strengthening effect is studied experimentally in closed cell aluminum foams. The limit loads, net section strength were found for a set of double-edge-notched (DEN) and single-edge-notched (SEN) specimens loaded in compression.

Notch strengthening

The ratio between the NTS and the tensile strength is called the notch strength ratio (NSR). An important concern for titanium aluminides is their limited ductility and its consequences for TiAl components containing stress concentrators. In recent experiments, evidence of notch strengthening has been found in one TiAl alloy under monotonic loading. The goal of this study is to fully explore this issue through tests on two cast alloys, one with a microstructure consisting of The notch strengthening effect is studied experimentally in closed cell aluminum foams.
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Notch strengthening

AU - Wu, Xianglin. AU - Pan, Xiao. AU - Stubbins, James F. PY - 2008. Y1 - 2008. N2 - 316L stainless steel has been widely used for structural component applications in irradiation environments.

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