A review on high-pressure torsion (HPT) from 1935 to 1988

Kaveh Edalati, Zenji Horita

Research output: Contribution to journalReview article

154 Citations (Scopus)

Abstract

High-pressure torsion (HPT) method currently receives much attention as a severe plastic deformation (SPD) technique mainly because of the reports of Prof. Ruslan Z. Valiev and his co-workers in 1988. They reported the efficiency of the method in creating ultrafine-grained (UFG) structures with predominantly high-angle grain boundaries, which started the new age of nanoSPD materials with novel properties. The HPT method was first introduced by Prof. Percy W. Bridgman in 1935. Bridgman pioneered application of high torsional shearing stress combined with high hydrostatic pressure to many different kinds of materials such as pure elements, metallic materials, glasses, geological materials (rocks and minerals), biological materials, polymers and many different kinds of organic and inorganic compounds. This paper reviews the findings of Bridgman and his successors from 1935 to 1988 using the HPT method and summarizes their historical importance in recent advancement of materials, properties, phase transformations and HPT machine designs.

Original languageEnglish
Pages (from-to)325-352
Number of pages28
JournalMaterials Science and Engineering A
Volume652
DOIs
Publication statusPublished - Jan 15 2016

Fingerprint

Torsional stress
torsion
Inorganic compounds
torsional stress
Machine design
Hydrostatic pressure
inorganic compounds
Shearing
Organic compounds
Biological materials
Minerals
Plastic deformation
Materials properties
Polymers
Grain boundaries
organic compounds
hydrostatic pressure
Phase transitions
Rocks
shear stress

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

A review on high-pressure torsion (HPT) from 1935 to 1988. / Edalati, Kaveh; Horita, Zenji.

In: Materials Science and Engineering A, Vol. 652, 15.01.2016, p. 325-352.

Research output: Contribution to journalReview article

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