The Introduction of Discontinuities in High Strength Steel Weldments
The objective of this study was to develop methods for consistently creating porosity, slag inclusions, lack of fusion, and hydrogen cross-cracking discontinuities in welds to evaluate their effects on the properties of welds. To accomplish this objective, weld deposition procedures were altered sys...
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creator | Carlson, K W Lawrence, Jr , F V Radziminski, J B |
description | The objective of this study was to develop methods for consistently creating porosity, slag inclusions, lack of fusion, and hydrogen cross-cracking discontinuities in welds to evaluate their effects on the properties of welds. To accomplish this objective, weld deposition procedures were altered systematically to develop welding techniques capable of producing a specific discontinuity type and size. The techniques used included both electrical and mechanical perturbations of the welding parameters. It proved possible to implant weld discontinuities with good reproducibility. It was found, however, that mechanical perturbations were more reliable for accurate reproduction of discontinuities.
Addenda to rept. no. CERL-TR-M-24 dated Sep 1972, AD749459. |
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Addenda to rept. no. CERL-TR-M-24 dated Sep 1972, AD749459.</description><language>eng</language><subject>Couplers, Fasteners, and Joints ; DEFECTS(MATERIALS) ; Fabrication Metallurgy ; HYDROGEN EMBRITTLEMENT ; IMPURITIES ; NONDESTRUCTIVE TESTING ; POROSITY ; RADIOGRAPHY ; SLAGS ; STEEL ; STEREOPHOTOGRAPHY ; STEREORADIOGRAPHY ; WELD DEFECTS ; WELDMENTS ; WELDS</subject><creationdate>1972</creationdate><rights>Approved for public release; distribution is unlimited.</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,776,881,27546,27547</link.rule.ids><linktorsrc>$$Uhttps://apps.dtic.mil/sti/citations/AD0755524$$EView_record_in_DTIC$$FView_record_in_$$GDTIC$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Carlson, K W</creatorcontrib><creatorcontrib>Lawrence, Jr , F V</creatorcontrib><creatorcontrib>Radziminski, J B</creatorcontrib><creatorcontrib>CONSTRUCTION ENGINEERING RESEARCH LAB (ARMY) CHAMPAIGN IL</creatorcontrib><title>The Introduction of Discontinuities in High Strength Steel Weldments</title><description>The objective of this study was to develop methods for consistently creating porosity, slag inclusions, lack of fusion, and hydrogen cross-cracking discontinuities in welds to evaluate their effects on the properties of welds. To accomplish this objective, weld deposition procedures were altered systematically to develop welding techniques capable of producing a specific discontinuity type and size. The techniques used included both electrical and mechanical perturbations of the welding parameters. It proved possible to implant weld discontinuities with good reproducibility. It was found, however, that mechanical perturbations were more reliable for accurate reproduction of discontinuities.
Addenda to rept. no. CERL-TR-M-24 dated Sep 1972, AD749459.</description><subject>Couplers, Fasteners, and Joints</subject><subject>DEFECTS(MATERIALS)</subject><subject>Fabrication Metallurgy</subject><subject>HYDROGEN EMBRITTLEMENT</subject><subject>IMPURITIES</subject><subject>NONDESTRUCTIVE TESTING</subject><subject>POROSITY</subject><subject>RADIOGRAPHY</subject><subject>SLAGS</subject><subject>STEEL</subject><subject>STEREOPHOTOGRAPHY</subject><subject>STEREORADIOGRAPHY</subject><subject>WELD DEFECTS</subject><subject>WELDMENTS</subject><subject>WELDS</subject><fulltext>true</fulltext><rsrctype>report</rsrctype><creationdate>1972</creationdate><recordtype>report</recordtype><sourceid>1RU</sourceid><recordid>eNrjZHAJyUhV8MwrKcpPKU0uyczPU8hPU3DJLE7OzyvJzCvNLMlMLVbIzFPwyEzPUAguKUrNSy8BMVJTcxTCU3NSclPzSop5GFjTEnOKU3mhNDeDjJtriLOHbkpJZnJ8MdCg1JJ4RxcDc1NTUyMTYwLSALIlL8k</recordid><startdate>197212</startdate><enddate>197212</enddate><creator>Carlson, K W</creator><creator>Lawrence, Jr , F V</creator><creator>Radziminski, J B</creator><scope>1RU</scope><scope>BHM</scope></search><sort><creationdate>197212</creationdate><title>The Introduction of Discontinuities in High Strength Steel Weldments</title><author>Carlson, K W ; Lawrence, Jr , F V ; Radziminski, J B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-dtic_stinet_AD07555243</frbrgroupid><rsrctype>reports</rsrctype><prefilter>reports</prefilter><language>eng</language><creationdate>1972</creationdate><topic>Couplers, Fasteners, and Joints</topic><topic>DEFECTS(MATERIALS)</topic><topic>Fabrication Metallurgy</topic><topic>HYDROGEN EMBRITTLEMENT</topic><topic>IMPURITIES</topic><topic>NONDESTRUCTIVE TESTING</topic><topic>POROSITY</topic><topic>RADIOGRAPHY</topic><topic>SLAGS</topic><topic>STEEL</topic><topic>STEREOPHOTOGRAPHY</topic><topic>STEREORADIOGRAPHY</topic><topic>WELD DEFECTS</topic><topic>WELDMENTS</topic><topic>WELDS</topic><toplevel>online_resources</toplevel><creatorcontrib>Carlson, K W</creatorcontrib><creatorcontrib>Lawrence, Jr , F V</creatorcontrib><creatorcontrib>Radziminski, J B</creatorcontrib><creatorcontrib>CONSTRUCTION ENGINEERING RESEARCH LAB (ARMY) CHAMPAIGN IL</creatorcontrib><collection>DTIC Technical Reports</collection><collection>DTIC STINET</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Carlson, K W</au><au>Lawrence, Jr , F V</au><au>Radziminski, J B</au><aucorp>CONSTRUCTION ENGINEERING RESEARCH LAB (ARMY) CHAMPAIGN IL</aucorp><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>The Introduction of Discontinuities in High Strength Steel Weldments</btitle><date>1972-12</date><risdate>1972</risdate><abstract>The objective of this study was to develop methods for consistently creating porosity, slag inclusions, lack of fusion, and hydrogen cross-cracking discontinuities in welds to evaluate their effects on the properties of welds. To accomplish this objective, weld deposition procedures were altered systematically to develop welding techniques capable of producing a specific discontinuity type and size. The techniques used included both electrical and mechanical perturbations of the welding parameters. It proved possible to implant weld discontinuities with good reproducibility. It was found, however, that mechanical perturbations were more reliable for accurate reproduction of discontinuities.
Addenda to rept. no. CERL-TR-M-24 dated Sep 1972, AD749459.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | Couplers, Fasteners, and Joints DEFECTS(MATERIALS) Fabrication Metallurgy HYDROGEN EMBRITTLEMENT IMPURITIES NONDESTRUCTIVE TESTING POROSITY RADIOGRAPHY SLAGS STEEL STEREOPHOTOGRAPHY STEREORADIOGRAPHY WELD DEFECTS WELDMENTS WELDS |
title | The Introduction of Discontinuities in High Strength Steel Weldments |
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