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To me, nothing says “summer” more than camping by the lake, going for a hike, roasting marshmallows over a campfire, and fatigue analysis at bedtime. On the west side of Lake Tahoe, the Ed Z’berg Sugar Pine Point State Park hosted some of Hill Engineering and their families for a fun, nature-filled weekend.
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Today marks a major milestone in the field of residual stress measurement. The contour method, one of the most useful and advanced residual stress measurement techniques, was first successfully implemented on this date (August 16th) in 1999 by Mike Prime at Los Alamos National Laboratory. The most significant feature of the contour method is its…
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Hill Engineering is presenting about residual stress in welding as part of the EPRI International Light Water Reactor Materials Reliability Conference and Exhibition. The objective of the conference is to gather the leading domestic and international nuclear engineers, materials scientists, and vendors in a forum for discussing and reporting the latest research regarding the reliability…
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The dawn of the airplane changed the way we humans viewed the world. In a relatively short amount of time, travel across oceans was reduced from a month or more onboard a sea vessel to a few hours in the air. Getting from one side of the country to the other no longer meant spending…
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Hill Engineering is proud to deliver a presentation as part of the David Smith Memorial Symposium at the upcoming ASME 2016 Pressure Vessels & Piping Conference. The presentation delivered at PVP2016 will include a summary of recent work on residual stress measurement for an excavate and weld repair mockup that was performed in collaboration with…
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Hill Engineering is proud to deliver a keynote presentation at the upcoming 2016 International Conference on Residual Stress. The presentation delivered at ICRS2016 will include an overview of the opportunities and challenges related to the effect of residual stresses on the performance of aircraft structure. The abstract text is presented below.
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We would like to welcome Robert (Bob) Pilarczyk to Hill Engineering. Bob has worked in the United States Air Force A-10 ASIP office (Hill Air Force Base) for the past 10+ years, most recently as the group leader of a team responsible for the structural integrity of the A-10 fleet. In this role Bob functioned…
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The inner diameter of pipes is a critical location for design and performance assessment. Corrosion, fatigue, and stress corrosion cracking often attack the pipe inner diameter, which can lead to leakage and possible failure of the system. Tensile residual stresses in welded pipe joints can have a significant impact on structural integrity and performance because…
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What is residual stress? That’s a very common question when you work at Hill Engineering. Many of our customers, friends, colleagues, and family members like to ask us questions about residual stress including: What is residual stress? How do you measure it? How does residual stress affect material performance? If you have questions about these…
