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High-pressure torsion (HPT) is a severe plastic deformation technique used to refine the microstructure of materials by applying both high pressure and torsional strain. [1] HPT involves compressing a material between two anvils while simultaneously rotating one of the anvils, inducing shear deformation. [ 2 ]
Thomas F. Gilbert (1927–1995) was a psychologist who is often known as the founder of the field of performance technology, also known as Human Performance Technology (HPT). Gilbert himself coined and used the term Performance Engineering.
A simpler definition of HPT is a systematic approach to improving individual and organizational performance (Pershing, 2006). A common misunderstanding of the word technology with regards to HPT is that it relates to information technologies. In HPT, technology refers to the specialized aspects of the field of Human Performance.
Evaluation is also a central aspect of HPT, and is used during planning, carrying out, and following up interventions by measuring results against identified requirements. In 2002 ISPI convened a group of workplace managers, business consultants, and academics met to define what skills and abilities a performance technology practitioner needed.
During the constrained HPT process, the material experiences shear deformation between a fixed and a rotating anvil, without losing its original dimensions. High pressure torsion (HPT) can be traced back to the experiments that won Percy Bridgman the 1946 Nobel Prize in Physics, though its use in metal processing is considerably more recent. In ...
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(August 2022) (Learn how and when to remove this message) Screen printed fabric on heat press to sure ink in studio. A heat press is a machine engineered to imprint a design or graphic on a substrate, such as a t-shirt , with the application of heat and pressure for a preset period of time.
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