Shot load (19 résultats)

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Paperback or Softback. Etat : New. Effects of Variable Contact Load on Fretting Fatigue Behavior of Shot-Peened And Un-Peened Titanium Alloy. Book.

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Taschenbuch. Etat : Neu. Neuware - Fretting fatigue occurs between two components in contact under relative motion and reduces fatigue life when compared with plain fatigue. Shot-peening, on the other hand, is the most commonly used cold working process to improve material fatigue resistance in aeronautical industries. Nearly all work accomplished to date has assumed a constant contact load while investigating fretting fatigue. The primary goal of this study was to explore fretting fatigue behavior under constant and variable contact load configurations using both shot-peened and un-peened specimens made up of Ti-6Al-4V alloy. Contact loads were applied with four frequencies, and they were 0 Hz, 2.5 Hz, 10 Hz, and 30 Hz. Applied axial loads were also manipulated to produce tension-tension and tension-compression test conditions on the specimens at the frequency of 10 Hz. Cracks were always found to initiate near the trailing edge for all tests. The crack initiated on the contact surface of un-peened specimens and within the interior of shot-peened specimens. Finite element analysis was performed by a commercially available software, ABAQUS, to obtain contact region state variables such as stress, strain, and displacement which were computed for the development of fretting fatigue parameters. Fatigue parameters, such as the stress range, effective stress, and modified shear stress range (MSSR), were analyzed for their applicability on fretting fatigue life prediction. No strong correlation between contact load conditions and fretting fatigue mechanisms was found, and shot-peening improved fretting fatigue life despite contact load conditions. Also, the MSSR parameter was effective in fretting fatigue predictions under constant and variable contact load conditions in terms of fatigue life, crack initiation location and orientation.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.…

Etat : New. KlappentextrnrnFretting fatigue occurs between two components in contact under relative motion and reduces fatigue life when compared with plain fatigue. Shot-peening, on the other hand, is the most commonly used cold working process to improve .

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Soft cover. Etat : New. Language:Chinese.Author:CHEN JING DING YUN YAN.Binding:Soft cover.Publisher:Zhejiang Photographic Press; 1 edition (October 1..

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Etat : New. Print on Demand pp. 234.

Etat : New. Print on Demand pp. 234.

Paperback / softback. Etat : New. This item is printed on demand. New copy - Usually dispatched within 5-9 working days.

Etat : New. PRINT ON DEMAND pp. 234.

Paperback / softback. Etat : New. This item is printed on demand. New copy - Usually dispatched within 5-9 working days.