Borrow it
- Ellis Library
- Engineering Library & Technology Commons
- Fisher Delta Research Center
- Geological Sciences Library
- J. Otto Lottes Health Sciences Library
- Journalism Library
- Mathematical Sciences Library
- University Archives
- University Archives McAlester Annex
- University of Missouri Libraries Depository
- Zalk Veterinary Medical Library
The Resource Activation energy for recrystallization in rolled silver, by Krishan K. Tangri
Activation energy for recrystallization in rolled silver, by Krishan K. Tangri
Resource Information
The item Activation energy for recrystallization in rolled silver, by Krishan K. Tangri represents a specific, individual, material embodiment of a distinct intellectual or artistic creation found in University of Missouri Libraries.This item is available to borrow from all library branches.
Resource Information
The item Activation energy for recrystallization in rolled silver, by Krishan K. Tangri represents a specific, individual, material embodiment of a distinct intellectual or artistic creation found in University of Missouri Libraries.
This item is available to borrow from all library branches.
- Summary
- "In several metals the process of recrystallization is accompanied by a change in the orientation of the recrystallized material with respect to the cold rolled material. If the change is sufficiently large, the changing position of the crystals can be determined by measuring the change in the intensity of the characteristic Bragg-reflection with a Geiger counter x-ray spectrometer. Recent determinations of the activation energies of copper and a 50/50 iron-nickel alloy have been made by using this x-ray technique. Both of these metals show a decided shift in the orientation as the material is recrystallized. Silver was examined to find out the possibilities of application of this x-ray technique to metals with a more complex textural change. It is known that the crystalline texture in severely cold rolled silver can be described by saying that the [112] direction of the face centered cubic crystal is aligned approximately in the rolling direction and that faces of the form (110) lie approximately in the rolling plane. On complete recrystallization the [112] direction aligns itself approximately in the cross rolling direction and faces of the form (113) lie approximately in the rolling plane. This shift in the orientation from the cold rolled to the recrystallized state is a fair indication that the above mentioned x-ray technique could be applied to silver for the determination of its activation energy of recrystallization. Since recrystallization is not an instantaneous process, it may be stopped at various stages of its progress and the change in orientation determined by accurately measuring the change in the intensity of the x-ray lines. A plot of time versus percent recrystallization can thus be made. By determining these recrystallization rate curves at several temperatures, the activation energy of the process can be calculated. In this examination five different temperatures of recrystallization were employed and sufficient number of samples were prepared to follow the course of recrystallization completely by measuring the changes of x-ray line intensities at various stages. Although (220) and (113) line intensities were measured, the calculations were based on (113) line measurements, while (220) line measurements were used as a check for the (113) line values. Silver of 99.97% purity was used in this investigation. Since the recrystallization process is considerably affected by impurity content, the results of this investigation apply only to silver of a similar composition. This metal after 96.55% cold rolling was found to yield a value of 24.1 ± 1.5 Kcal/gm mole as its activation energy"--Introduction, pages 1-2
- Language
- eng
- Extent
- 1 online resource (v, 49 pages)
- Note
- Vita
- Label
- Activation energy for recrystallization in rolled silver
- Title
- Activation energy for recrystallization in rolled silver
- Statement of responsibility
- by Krishan K. Tangri
- Language
- eng
- Summary
- "In several metals the process of recrystallization is accompanied by a change in the orientation of the recrystallized material with respect to the cold rolled material. If the change is sufficiently large, the changing position of the crystals can be determined by measuring the change in the intensity of the characteristic Bragg-reflection with a Geiger counter x-ray spectrometer. Recent determinations of the activation energies of copper and a 50/50 iron-nickel alloy have been made by using this x-ray technique. Both of these metals show a decided shift in the orientation as the material is recrystallized. Silver was examined to find out the possibilities of application of this x-ray technique to metals with a more complex textural change. It is known that the crystalline texture in severely cold rolled silver can be described by saying that the [112] direction of the face centered cubic crystal is aligned approximately in the rolling direction and that faces of the form (110) lie approximately in the rolling plane. On complete recrystallization the [112] direction aligns itself approximately in the cross rolling direction and faces of the form (113) lie approximately in the rolling plane. This shift in the orientation from the cold rolled to the recrystallized state is a fair indication that the above mentioned x-ray technique could be applied to silver for the determination of its activation energy of recrystallization. Since recrystallization is not an instantaneous process, it may be stopped at various stages of its progress and the change in orientation determined by accurately measuring the change in the intensity of the x-ray lines. A plot of time versus percent recrystallization can thus be made. By determining these recrystallization rate curves at several temperatures, the activation energy of the process can be calculated. In this examination five different temperatures of recrystallization were employed and sufficient number of samples were prepared to follow the course of recrystallization completely by measuring the changes of x-ray line intensities at various stages. Although (220) and (113) line intensities were measured, the calculations were based on (113) line measurements, while (220) line measurements were used as a check for the (113) line values. Silver of 99.97% purity was used in this investigation. Since the recrystallization process is considerably affected by impurity content, the results of this investigation apply only to silver of a similar composition. This metal after 96.55% cold rolling was found to yield a value of 24.1 ± 1.5 Kcal/gm mole as its activation energy"--Introduction, pages 1-2
- Cataloging source
- UMR
- http://library.link/vocab/creatorDate
- 1925-
- http://library.link/vocab/creatorName
- Tangri, Krishan Kumar
- Degree
- M.S.
- Dissertation year
- 1952.
- Granting institution
- University of Missouri. School of Mines and Metallurgy
- Illustrations
- illustrations
- Index
- no index present
- Literary form
- non fiction
- Nature of contents
-
- dictionaries
- bibliography
- theses
- http://library.link/vocab/subjectName
-
- Recrystallization (Metallurgy)
- Silver
- Rolling (Metal-work)
- Label
- Activation energy for recrystallization in rolled silver, by Krishan K. Tangri
- Note
- Vita
- Bibliography note
- Includes bibliographical references (pages 46-48)
- Carrier category
- online resource
- Carrier category code
-
- cr
- Carrier MARC source
- rdacarrier
- Content category
- text
- Content type code
-
- txt
- Content type MARC source
- rdacontent
- Control code
- 933763458
- Extent
- 1 online resource (v, 49 pages)
- Form of item
- online
- Media category
- computer
- Media MARC source
- rdamedia
- Media type code
-
- c
- Other physical details
- illustrations.
- Specific material designation
- remote
- System control number
- (OCoLC)933763458
- Label
- Activation energy for recrystallization in rolled silver, by Krishan K. Tangri
- Note
- Vita
- Bibliography note
- Includes bibliographical references (pages 46-48)
- Carrier category
- online resource
- Carrier category code
-
- cr
- Carrier MARC source
- rdacarrier
- Content category
- text
- Content type code
-
- txt
- Content type MARC source
- rdacontent
- Control code
- 933763458
- Extent
- 1 online resource (v, 49 pages)
- Form of item
- online
- Media category
- computer
- Media MARC source
- rdamedia
- Media type code
-
- c
- Other physical details
- illustrations.
- Specific material designation
- remote
- System control number
- (OCoLC)933763458
Library Locations
-
-
Engineering Library & Technology CommonsBorrow itW2001 Lafferre Hall, Columbia, MO, 65211, US38.946102 -92.330125
-
Fisher Delta Research CenterBorrow it2-64 Agricultural Bldg, Columbia, MO, 65201, US38.958397 -92.303491
-
Geological Sciences LibraryBorrow it201 Geological Sciences, Columbia, MO, 65211, US38.947375 -92.329062
-
J. Otto Lottes Health Sciences LibraryBorrow it1 Hospital Dr, Columbia, MO, 65201, US38.939544 -92.328377
-
Journalism LibraryBorrow it102 Reynolds Jrnlism Institute, Columbia, MO, 65211, US38.947290 -92.328025
-
Mathematical Sciences LibraryBorrow it104 Ellis Library, Columbia, MO, 65201, US38.944377 -92.326537
-
University ArchivesBorrow itColumbia, MO, 65201, US
-
University Archives McAlester AnnexBorrow it703 Lewis Hall, Columbia, MO, 65211, US38.934630 -92.342290
-
University of Missouri Libraries DepositoryBorrow it2908 Lemone Blvd, Columbia, MO, 65211, US38.919360 -92.291620
-
Zalk Veterinary Medical LibraryBorrow itVeterinary Medicine West, Columbia, MO, 65211, US38.941099 -92.317911
Library Links
Embed
Settings
Select options that apply then copy and paste the RDF/HTML data fragment to include in your application
Embed this data in a secure (HTTPS) page:
Layout options:
Include data citation:
<div class="citation" vocab="http://schema.org/"><i class="fa fa-external-link-square fa-fw"></i> Data from <span resource="http://link.library.missouri.edu/portal/Activation-energy-for-recrystallization-in-rolled/-fscYT8y5QE/" typeof="Book http://bibfra.me/vocab/lite/Item"><span property="name http://bibfra.me/vocab/lite/label"><a href="http://link.library.missouri.edu/portal/Activation-energy-for-recrystallization-in-rolled/-fscYT8y5QE/">Activation energy for recrystallization in rolled silver, by Krishan K. Tangri</a></span> - <span property="potentialAction" typeOf="OrganizeAction"><span property="agent" typeof="LibrarySystem http://library.link/vocab/LibrarySystem" resource="http://link.library.missouri.edu/"><span property="name http://bibfra.me/vocab/lite/label"><a property="url" href="http://link.library.missouri.edu/">University of Missouri Libraries</a></span></span></span></span></div>
Note: Adjust the width and height settings defined in the RDF/HTML code fragment to best match your requirements
Preview
Cite Data - Experimental
Data Citation of the Item Activation energy for recrystallization in rolled silver, by Krishan K. Tangri
Copy and paste the following RDF/HTML data fragment to cite this resource
<div class="citation" vocab="http://schema.org/"><i class="fa fa-external-link-square fa-fw"></i> Data from <span resource="http://link.library.missouri.edu/portal/Activation-energy-for-recrystallization-in-rolled/-fscYT8y5QE/" typeof="Book http://bibfra.me/vocab/lite/Item"><span property="name http://bibfra.me/vocab/lite/label"><a href="http://link.library.missouri.edu/portal/Activation-energy-for-recrystallization-in-rolled/-fscYT8y5QE/">Activation energy for recrystallization in rolled silver, by Krishan K. Tangri</a></span> - <span property="potentialAction" typeOf="OrganizeAction"><span property="agent" typeof="LibrarySystem http://library.link/vocab/LibrarySystem" resource="http://link.library.missouri.edu/"><span property="name http://bibfra.me/vocab/lite/label"><a property="url" href="http://link.library.missouri.edu/">University of Missouri Libraries</a></span></span></span></span></div>