FATIGUE TESTS OF TUBULAR T-JOINTS
Test results of tubular T-joints subjected to repetitive loading are discussed in this report. The T-joint consisted of a larger tube, the chord, and a smaller tube, the brace, welded at right angles to the chord wall. The chord walls of T-joints must sustain severe stress concentration which is typ...
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creator | Kurobane,Y Natarajan,M Toprac,A. A |
description | Test results of tubular T-joints subjected to repetitive loading are discussed in this report. The T-joint consisted of a larger tube, the chord, and a smaller tube, the brace, welded at right angles to the chord wall. The chord walls of T-joints must sustain severe stress concentration which is typical in tubular joints. The fatigue behavior of about 100,000 cycles is studies for six types of specimens. Fatigue cracks in most specimens initiated at the points of stress concentration near the toe of the welds at the center section of the chord and propagated along the toe of the welds. The number of cycles to detectable crack initiation was about half of that to complete failure. It is concluded that the tests should be extended to a more comprehensive investigation using large-size specimens. (Author) |
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The T-joint consisted of a larger tube, the chord, and a smaller tube, the brace, welded at right angles to the chord wall. The chord walls of T-joints must sustain severe stress concentration which is typical in tubular joints. The fatigue behavior of about 100,000 cycles is studies for six types of specimens. Fatigue cracks in most specimens initiated at the points of stress concentration near the toe of the welds at the center section of the chord and propagated along the toe of the welds. The number of cycles to detectable crack initiation was about half of that to complete failure. It is concluded that the tests should be extended to a more comprehensive investigation using large-size specimens. (Author)</description><language>eng</language><subject>Couplers, Fasteners, and Joints ; FAILURE(MECHANICS) ; FATIGUE(MECHANICS) ; FRACTOGRAPHY ; JOINTS ; LOADS(FORCES) ; Mechanics ; PIPES ; STEEL ; STRUCTURES ; TENSILE PROPERTIES ; WELDS</subject><creationdate>1967</creationdate><rights>APPROVED FOR PUBLIC RELEASE</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,780,885,27566,27567</link.rule.ids><linktorsrc>$$Uhttps://apps.dtic.mil/sti/citations/AD0671854$$EView_record_in_DTIC$$FView_record_in_$$GDTIC$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Kurobane,Y</creatorcontrib><creatorcontrib>Natarajan,M</creatorcontrib><creatorcontrib>Toprac,A. A</creatorcontrib><creatorcontrib>TEXAS UNIV AUSTIN STRUCTURES FATIGUE RESEARCH LAB</creatorcontrib><title>FATIGUE TESTS OF TUBULAR T-JOINTS</title><description>Test results of tubular T-joints subjected to repetitive loading are discussed in this report. The T-joint consisted of a larger tube, the chord, and a smaller tube, the brace, welded at right angles to the chord wall. The chord walls of T-joints must sustain severe stress concentration which is typical in tubular joints. The fatigue behavior of about 100,000 cycles is studies for six types of specimens. Fatigue cracks in most specimens initiated at the points of stress concentration near the toe of the welds at the center section of the chord and propagated along the toe of the welds. The number of cycles to detectable crack initiation was about half of that to complete failure. It is concluded that the tests should be extended to a more comprehensive investigation using large-size specimens. (Author)</description><subject>Couplers, Fasteners, and Joints</subject><subject>FAILURE(MECHANICS)</subject><subject>FATIGUE(MECHANICS)</subject><subject>FRACTOGRAPHY</subject><subject>JOINTS</subject><subject>LOADS(FORCES)</subject><subject>Mechanics</subject><subject>PIPES</subject><subject>STEEL</subject><subject>STRUCTURES</subject><subject>TENSILE PROPERTIES</subject><subject>WELDS</subject><fulltext>true</fulltext><rsrctype>report</rsrctype><creationdate>1967</creationdate><recordtype>report</recordtype><sourceid>1RU</sourceid><recordid>eNrjZFB0cwzxdA91VQhxDQ4JVvB3UwgJdQr1cQxSCNH18vf0CwnmYWBNS8wpTuWF0twMMm6uIc4euiklmcnxxSWZeakl8Y4uBmbmhhamJsYEpAHEcR9E</recordid><startdate>196711</startdate><enddate>196711</enddate><creator>Kurobane,Y</creator><creator>Natarajan,M</creator><creator>Toprac,A. A</creator><scope>1RU</scope><scope>BHM</scope></search><sort><creationdate>196711</creationdate><title>FATIGUE TESTS OF TUBULAR T-JOINTS</title><author>Kurobane,Y ; Natarajan,M ; Toprac,A. A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-dtic_stinet_AD06718543</frbrgroupid><rsrctype>reports</rsrctype><prefilter>reports</prefilter><language>eng</language><creationdate>1967</creationdate><topic>Couplers, Fasteners, and Joints</topic><topic>FAILURE(MECHANICS)</topic><topic>FATIGUE(MECHANICS)</topic><topic>FRACTOGRAPHY</topic><topic>JOINTS</topic><topic>LOADS(FORCES)</topic><topic>Mechanics</topic><topic>PIPES</topic><topic>STEEL</topic><topic>STRUCTURES</topic><topic>TENSILE PROPERTIES</topic><topic>WELDS</topic><toplevel>online_resources</toplevel><creatorcontrib>Kurobane,Y</creatorcontrib><creatorcontrib>Natarajan,M</creatorcontrib><creatorcontrib>Toprac,A. A</creatorcontrib><creatorcontrib>TEXAS UNIV AUSTIN STRUCTURES FATIGUE RESEARCH LAB</creatorcontrib><collection>DTIC Technical Reports</collection><collection>DTIC STINET</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Kurobane,Y</au><au>Natarajan,M</au><au>Toprac,A. A</au><aucorp>TEXAS UNIV AUSTIN STRUCTURES FATIGUE RESEARCH LAB</aucorp><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>FATIGUE TESTS OF TUBULAR T-JOINTS</btitle><date>1967-11</date><risdate>1967</risdate><abstract>Test results of tubular T-joints subjected to repetitive loading are discussed in this report. The T-joint consisted of a larger tube, the chord, and a smaller tube, the brace, welded at right angles to the chord wall. The chord walls of T-joints must sustain severe stress concentration which is typical in tubular joints. The fatigue behavior of about 100,000 cycles is studies for six types of specimens. Fatigue cracks in most specimens initiated at the points of stress concentration near the toe of the welds at the center section of the chord and propagated along the toe of the welds. The number of cycles to detectable crack initiation was about half of that to complete failure. It is concluded that the tests should be extended to a more comprehensive investigation using large-size specimens. (Author)</abstract><oa>free_for_read</oa></addata></record> |
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subjects | Couplers, Fasteners, and Joints FAILURE(MECHANICS) FATIGUE(MECHANICS) FRACTOGRAPHY JOINTS LOADS(FORCES) Mechanics PIPES STEEL STRUCTURES TENSILE PROPERTIES WELDS |
title | FATIGUE TESTS OF TUBULAR T-JOINTS |
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