Cryogenic Stress-Driven Grain Growth Observed via Microcompression with in situ Electron Backscatter Diffraction

The deformation of materials at cryogenic temperature is of interest for space, arctic, and fundamental science applications. In this work, a custom-built cooling system attached to a commercial picoindenter was used for in situ cryogenic microcompression testing of equal-channel angular-pressed cop...

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Bibliographic Details
Main Authors: Frazer, D, Bair, JL, Homer, ER, Hosemann, P
Format: Article in Journal/Newspaper
Language:unknown
Published: eScholarship, University of California 2020
Subjects:
Mechanical Engineering
Resources Engineering and Extractive Metallurgy
Materials Engineering
Materials
Arctic
Online Access:https://escholarship.org/uc/item/8460b807
id ftcdlib:oai:escholarship.org/ark:/13030/qt8460b807
record_format openpolar
spelling ftcdlib:oai:escholarship.org/ark:/13030/qt8460b807 2023-05-15T15:00:23+02:00 Cryogenic Stress-Driven Grain Growth Observed via Microcompression with in situ Electron Backscatter Diffraction Frazer, D Bair, JL Homer, ER Hosemann, P 2051 - 2056 2020-05-01 application/pdf https://escholarship.org/uc/item/8460b807 unknown eScholarship, University of California qt8460b807 https://escholarship.org/uc/item/8460b807 public JOM, vol 72, iss 5 Mechanical Engineering Resources Engineering and Extractive Metallurgy Materials Engineering Materials article 2020 ftcdlib 2021-04-16T07:10:56Z The deformation of materials at cryogenic temperature is of interest for space, arctic, and fundamental science applications. In this work, a custom-built cooling system attached to a commercial picoindenter was used for in situ cryogenic microcompression testing of equal-channel angular-pressed copper with real-time electron backscatter diffraction. Stress-driven grain growth at cryogenic temperatures was observed during a series of elastic and plastic deformations. These results provide direct evidence for the previously predicted phenomenon, whereas previous ex situ examinations demonstrated coarsening after cryogenic loading when samples were not maintained at cryogenic temperatures between deformation and characterization. Article in Journal/Newspaper Arctic University of California: eScholarship Arctic
institution Open Polar
collection University of California: eScholarship
op_collection_id ftcdlib
language unknown
topic Mechanical Engineering
Resources Engineering and Extractive Metallurgy
Materials Engineering
Materials
spellingShingle Mechanical Engineering
Resources Engineering and Extractive Metallurgy
Materials Engineering
Materials
Frazer, D
Bair, JL
Homer, ER
Hosemann, P
Cryogenic Stress-Driven Grain Growth Observed via Microcompression with in situ Electron Backscatter Diffraction
topic_facet Mechanical Engineering
Resources Engineering and Extractive Metallurgy
Materials Engineering
Materials
description The deformation of materials at cryogenic temperature is of interest for space, arctic, and fundamental science applications. In this work, a custom-built cooling system attached to a commercial picoindenter was used for in situ cryogenic microcompression testing of equal-channel angular-pressed copper with real-time electron backscatter diffraction. Stress-driven grain growth at cryogenic temperatures was observed during a series of elastic and plastic deformations. These results provide direct evidence for the previously predicted phenomenon, whereas previous ex situ examinations demonstrated coarsening after cryogenic loading when samples were not maintained at cryogenic temperatures between deformation and characterization.
format Article in Journal/Newspaper
author Frazer, D
Bair, JL
Homer, ER
Hosemann, P
author_facet Frazer, D
Bair, JL
Homer, ER
Hosemann, P
author_sort Frazer, D
title Cryogenic Stress-Driven Grain Growth Observed via Microcompression with in situ Electron Backscatter Diffraction
title_short Cryogenic Stress-Driven Grain Growth Observed via Microcompression with in situ Electron Backscatter Diffraction
title_full Cryogenic Stress-Driven Grain Growth Observed via Microcompression with in situ Electron Backscatter Diffraction
title_fullStr Cryogenic Stress-Driven Grain Growth Observed via Microcompression with in situ Electron Backscatter Diffraction
title_full_unstemmed Cryogenic Stress-Driven Grain Growth Observed via Microcompression with in situ Electron Backscatter Diffraction
title_sort cryogenic stress-driven grain growth observed via microcompression with in situ electron backscatter diffraction
publisher eScholarship, University of California
publishDate 2020
url https://escholarship.org/uc/item/8460b807
op_coverage 2051 - 2056
geographic Arctic
geographic_facet Arctic
genre Arctic
genre_facet Arctic
op_source JOM, vol 72, iss 5
op_relation qt8460b807
https://escholarship.org/uc/item/8460b807
op_rights public
_version_ 1766332485063409664

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