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Anisotropic Nature of Radially Strained Metal Tubes
Metal pipes are sometimes swaged by a metal cone to enlarge them, which increases the strain in the material. The amount of strain is important because it affects the burst and collapse strength. Burst strength is the amount of internal pressure that a pipe can withstand before failure, while collapse strength is the amount of external pressure that a pipe can withstand before failure. If the burst or collapse strengths are exceeded, the pipe may fracture, causing critical failure. Such an event could cost the owners and their customers millions of dollars in clean up, repair, and lost time, in addition to the potential environmental damage. Therefore, a reliable way of estimating the burst and collapse strength of strained pipe is desired and valuable. The sponsor currently rates strained pipes using the properties of raw steel, because those properties are easily measured (for example, yield strength). In the past, the engineers assumed that the metal would be work-hardened when swaged, so that yield strength would increase. However, swaging introduces anisotropic strain, which may decrease the yield strength. This study measured the yield strength of strained material in the transverse and axial direction and compared them to raw material, to determine …
Date:
December 2015
Creator:
Strickland, Julie N.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Appendix A: UNT Libraries TRAC Audit Checklist
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix outlines the requirements of a Trusted Digital Library by metric, with example evidence and its location as addressed within the TRAC Conformance Document.
Date:
October 2015
Creator:
Phillips, Mark Edward; Alemneh, Daniel Gelaw; Krahmer, Ana; Tarver, Hannah & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix B: Formal Statement of Conformance to ISO 14721:2012
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix contains a formal statement of conformance to the Open Archival Information System (OAIS) model, based on the official standard ISO 14721:2012.
Date:
October 2015
Creator:
Phillips, Mark Edward; Krahmer, Ana; Tarver, Hannah; Alemneh, Daniel Gelaw & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix C: Collection Development Policy for the UNT Libraries' Digital Collections
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix describes the policies governing the acquisition, curation, and management of materials in the UNT Libraries' Digital Collections.
Date:
October 2015
Creator:
Phillips, Mark Edward; Tarver, Hannah; Krahmer, Ana; Alemneh, Daniel Gelaw & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix D: The Portal Partnership Agreement
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix contains a Portal Partnership Agreement outlining the agreement between partner institutions and the University of North Texas when contributing items to the Portal to Texas History.
Date:
October 2015
Creator:
Phillips, Mark Edward; Alemneh, Daniel Gelaw; Krahmer, Ana; Tarver, Hannah & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix E: Portal Memorandum of Agreement for Digital Rights
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix contains the Memorandum of Agreement for Digital Rights, which describes the permissions granted to the University of North Texas when contributing items to the Portal to Texas History.
Date:
October 2015
Creator:
Phillips, Mark Edward; Alemneh, Daniel Gelaw; Krahmer, Ana; Tarver, Hannah & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix F: Digital Library Memorandum of Agreement for Digital Rights
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix contains the Memorandum of Agreement for Digital Rights, which describes the permissions granted to the University of North Texas when contributing items to the UNT Digital Library.
Date:
October 2015
Creator:
Phillips, Mark Edward; Alemneh, Daniel Gelaw; Krahmer, Ana; Tarver, Hannah & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix G: Travel and Professional Development Documentation
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix contains a table of conferences and related travels by members of the UNT Digital Libraries Division from 2013 to 2015.
Date:
October 2015
Creator:
Alemneh, Daniel Gelaw; Phillips, Mark Edward; Krahmer, Ana; Tarver, Hannah & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix H: UNT Libraries' Digital Preservation Policy Framework
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix describes the University of North Texas Libraries' digital stewardship efforts.
Date:
October 2015
Creator:
Phillips, Mark Edward; Krahmer, Ana; Tarver, Hannah; Alemneh, Daniel Gelaw & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix I: Timetable for Documentation Review
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix contains the review schedule for specific technical documents.
Date:
October 2015
Creator:
Alemneh, Daniel Gelaw; Phillips, Mark Edward; Krahmer, Ana; Tarver, Hannah & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix J: UNT Libraries' Digital Collections Usage and Feedback Policy
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix describes the policies governing the interaction of external users with materials in the UNT Libraries' Digital Collections.
Date:
October 2015
Creator:
Phillips, Mark Edward; Krahmer, Ana; Tarver, Hannah; Alemneh, Daniel Gelaw & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix K: Digital Projects Unit Standards
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix describes the standards used by the University of North Texas Libraries' Digital Projects Lab.
Date:
October 2015
Creator:
Phillips, Mark Edward; Alemneh, Daniel Gelaw; Krahmer, Ana; Tarver, Hannah & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix L: Preferred File Formats
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix describes the file formats preferred for inclusion in the UNT Libraries' Digital Collections.
Date:
October 2015
Creator:
Phillips, Mark Edward; Krahmer, Ana; Tarver, Hannah; Alemneh, Daniel Gelaw & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix M: UNT Libraries OAIS Information Package Specification
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix defines the use of Information Packages within the UNT Libraries Digital Library Infrastructure.
Date:
October 2015
Creator:
Phillips, Mark Edward; Tarver, Hannah; Krahmer, Ana; Alemneh, Daniel Gelaw & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix N: Coda Repository Screenshots
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix contains screenshots of the Coda repository, the archival management system used by UNT Libraries.
Date:
October 2015
Creator:
Phillips, Mark Edward; Krahmer, Ana; Tarver, Hannah; Alemneh, Daniel Gelaw & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix O: UNT Libraries' Archival Storage Replacement Fund
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix describes the Archival Storage Replacement Fund as a way of lessening the financial effect of the replacement of archival storage.
Date:
October 2015
Creator:
Phillips, Mark Edward; Krahmer, Ana; Tarver, Hannah; Alemneh, Daniel Gelaw & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix P: UNT Libraries' Policy on Creation and Licensing of Metadata
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix describes the UNT Libraries' policy of making its cataloging and metadata records available as Public Domain resources.
Date:
October 2015
Creator:
Phillips, Mark Edward; Brannon, Sian & Hamner, Jesse
Object Type:
Text
System:
The UNT Digital Library
Appendix Q: UNT Libraries' Open Source Software Policy
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix describes the UNT Libraries' policy in support of open source software development.
Date:
October 2015
Creator:
Phillips, Mark Edward; Hicks, William & Thomale, Jason
Object Type:
Text
System:
The UNT Digital Library
Appendix R: Digital Libraries Division Data Loss Escalation Procedures
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix describes the procedures related to the escalation of events for a significant data loss event.
Date:
October 2015
Creator:
Phillips, Mark Edward; Krahmer, Ana; Tarver, Hannah; Alemneh, Daniel Gelaw & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix S: UNT Digital Libraries: Risk Analysis and Management Strategy Plan
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix describes threats that could disrupt normal operations of the UNT Libraries' Digital Collections, as well as risk-minimization strategies, system infrastructures, opening practices, and business relationships employed to reduce potential impact of threats.
Date:
October 2015
Creator:
Phillips, Mark Edward; Krahmer, Ana; Tarver, Hannah; Alemneh, Daniel Gelaw & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix T: UNT Libraries Digital Workflow Diagram
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix contains a model of the UNT Libraries' digital workflow.
Date:
October 2015
Creator:
Phillips, Mark Edward; Krahmer, Ana; Tarver, Hannah; Alemneh, Daniel Gelaw & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix U: UNT Libraries Ingest Workflow Diagram
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix contains a model of the UNT Libraries' ingest workflow.
Date:
October 2015
Creator:
Phillips, Mark Edward; Krahmer, Ana; Tarver, Hannah; Alemneh, Daniel Gelaw & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix V: UNT Libraries SIP-to-AIP Conversion Workflow
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix describes the process and workflow for converting a Submission Information Package (SIP) to an Archival Information Package (AIP).
Date:
October 2015
Creator:
Phillips, Mark Edward; Tarver, Hannah; Krahmer, Ana; Alemneh, Daniel Gelaw & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library
Appendix W: UNT Libraries AIP-to-DIP/ACP Conversion Workflow
Appendix to the UNT Libraries: TRAC Conformance Document. This appendix describes the process and workflow for converting an Archival Information Package (AIP) to a Dissemination Information Package (DIP), locally known as the Access Content Package (ACP).
Date:
October 2015
Creator:
Phillips, Mark Edward; Tarver, Hannah; Krahmer, Ana; Alemneh, Daniel Gelaw & Waugh, Laura
Object Type:
Text
System:
The UNT Digital Library