Numerical and experimental investigation of shrinkage behavior of...

Polymer Engineering and Science;  August 1, 2008 ;   Yang, Sang Sik Kwon, Tai Hun;   787 words ...INTRODUCTION Birefringence, residual stress distribution, and shrinkage affect...satisfaction. Furthermore, the birefringence, residual stress distribution, and shrinkage/warpage...flow induced one. In contrast, the residual stress is mainly attributed by what is established...

Residual Stress Evolution and Mechanical State of Hard Machined Components...

Tribology Transactions;  October 1, 2007 ;   Waikar, R A; Guo, Y B;   787 words ......grinding induce very different residual stress profiles in the subsurface. The distinct patterns of residual stress profiles have significant influence...During sliding contact, the residual stress profiles and magnitudes are altered...

Stress: diagnose it before it ruins your parts.(STRESS ANALYSIS)

Plastics Technology;  December 1, 2005 ;   Feingold, Joel M.;   787 words ...Residual stress is an inherent result of plastics...films and bottles. But in most cases, residual stress is an invisible and insidious problem...temperatures. Some common causes of harmful residual stress in molded, thermoformed, and extruded...

2005 RESIDUAL STRESS SUMMIT

Experimental Techniques;  May 1, 2005 ;   Anonymous;   140 words ...The second Residual Stress Summit will be held August 10 - 11 on...practitioners" and "experts" from the residual stress community, and to create a more cohesive group of residual stress practitioners in North America. There...

Reduction of residual stress leads to improvement in piezoelectrics.

Advanced Ceramics Report;  November 1, 2000 ;     468 words ......bending stress to offset the effects of residual stress in a thin film made of piezoelectric...devices, we can also put the effects of residual stress to work in a unique patterning process...films become thinner and thinner, the residual stress increasingly affects the ...

An analysis of residual stress fields caused by shot peening

Metallurgical and Materials Transactions;  June 1, 2002 ;   Gao, Yu-Kui; Yao, Mei; Li, Jin-Kui;   712 words ...In this article, the compressive residual stress field (CRSF) introduced by shot peening...show that the maximum of compressive residual stress field for a given material is almost...peening techniques and the surface residual stress values are dependent on both the mechanical...

Temperature distribution in the friction welding of Al^sub 2^O^sub 3^...

Welding International;  June 1, 2006 ;   Zimmerman, J;   787 words ......this work is to determine the temperature distribution during the butt-joining of two...the solution of the problem of temperature distribution by numerical approach, are the...ceramic. Mathematical modelling of temperature distribution The magnitude of the thermal flux...

View this Comprehensive Summary of Developments in the Processes and...

M2 Presswire;  September 5, 2005 ;     563 words ......Processes and Mechanisms of Welding Residual Stress and Distortion(C)1994-2005 M2 COMMUNICATIONS...Processes and Mechanisms of Welding Residual Stress and Distortion to their offering As...of the welded structure. Both weld residual stress and distortion can significantly impair...

California Inventors Develop Residual Stress Measurement System

US Fed News Service, Including US State News;  September 12, 2008 ;     333 words ......have developed a method for measuring residual stress. According to the U.S. Patent &...devices and methods for determining residual stress in microelectromechanical system...In one example, a device measuring residual stress of a deposited conduct material includes...

Proto Manufacturing Ltd.: Proto's equipment can determine residual stress...

Advanced Materials & Processes;  October 1, 2002 ;     554 words ......Over the years, it became clear that residual stress was involved in many of the quality...and reliable means of nondestructive residual stress measurement could be developed for...development effort to determine which residual stress measurement technique offered the...

Estimation of temperature distribution during cure proceeds.(Cure...

Polymer Engineering and Science;  March 1, 1998 ;   Wang, Qiang He, Tianbai Xia, Ping Chen, Tianlu Huang, Baotong;   787 words ......to avoid residual stress after cooling...estimation of temperature distribution inside the...influence of temperature distribution on the processing...established temperature distribution model were...

Residual stress improvement of weldment by laser peening

Welding International;  August 1, 2006 ;   Sano, Y; Obata, M; Yamamoto, T;   787 words ......Consequently the improved efficacy of the residual stress extends to as much as a depth of 1...paper and the improving effects of residual stress when laser peening is employed for...of the impulse wave, so compressive residual stress is formed by the surrounding elastic...

INDUSTRY NEWS

Experimental Techniques;  January 1, 2004 ;   Anonymous;   187 words ...HYTEC HOSTED RESIDUAL STRESS SUMMIT Los Alamos, NM was the...England and Canada attended the "Residual Stress Summit", sponsored by HYTEC...that were caused (or solved) by residual stress. A second day of presentations...

A Fiber Optic Distributed-Temperature Sensor System

Sea Technology;  October 1, 2007 ;   Brehm, Robert; Johnson, Frank;   787 words ......System for the Measurement of Temperature Distribution Based on Light Backscattering...community that can measure the temperature distribution along a fiber optic cable. This...because it is possible to measure temperature distribution over a large distance with high...

Residual stress measurement using the hole drilling method and laser...

Experimental Techniques;  May 1, 2003 ;   Steinzig, M; Ponslet, E;   787 words ......interferometer has been adapted for measuring residual stress. The technique is based on the hole...around the hole to a value of in-plane residual stress. In this 4-part series, we will describe...adapted specifically for measuring residual stress, an analysis technique, quantify ...