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Timothy P. Quinn

Researcher at National Institute of Standards and Technology

Publications -  49
Citations -  1619

Timothy P. Quinn is an academic researcher from National Institute of Standards and Technology. The author has contributed to research in topics: Welding & Gas metal arc welding. The author has an hindex of 18, co-authored 48 publications receiving 1397 citations. Previous affiliations of Timothy P. Quinn include University of California & University of California, Berkeley.

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Effects of processing on microstructure and mechanical properties of a titanium alloy (Ti–6Al–4V) fabricated using electron beam melting (EBM), Part 2: Energy input, orientation, and location

TL;DR: In this article, the same authors investigated the effect of the orientation of the tensile axis on the final tensile strength and yield strength of selected electron beam melting (EBM) Ti-6Al-4V parts.
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Effects of processing on microstructure and mechanical properties of a titanium alloy (Ti–6Al–4V) fabricated using electron beam melting (EBM), part 1: Distance from build plate and part size

TL;DR: In this article, the same authors investigated the relationship between α lath thickness and mechanical properties, including microhardness, and found that the relationship varied as a function of the distance from the build plate.
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Fatigue properties of a titanium alloy (Ti–6Al–4V) fabricated via electron beam melting (EBM): Effects of internal defects and residual stress

TL;DR: In this article, the effects of residual stress and internal defects (pores and voids) on fatigue properties of EBM Ti-6Al-4V material in as-built, stress-relieved, and hot isostatic pressed (HIPed) conditions were evaluated.
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Pulsed high intensity focused ultrasound mediated nanoparticle delivery: mechanisms and efficacy in murine muscle.

TL;DR: Evidence precluding hyperthermia as a principal mechanism for enhancing delivery is presented, using a quantitative analysis of systemically administered fluorescent nanoparticles delivered to muscle in the calves of mice.
Journal Article

Arc sensing for defects in constant-voltage gas metal arc welding

TL;DR: In this paper, a method for detecting flaws in automatic, constant-voltage gas metal arc welding using the process current and voltage signals was developed, and seven algorithms were used to give quality parameters and flags welds that are different from a baseline.