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_~_~;_~_.__. UNTESTED SPECIMEN EXTRUSION WELD WITH LEISTER HEAT SEAM Locus-of-Break Break . Types of Failure Code Description Classification ~ _^~ - ~ ~ Failure in adhesion. Specimans may also ~AD7 - delaminate under the bead and break Non-FTB - through the thin extruded material -- in the outer oreo. AD2 Failure in Adhesion. -, 'Non-FTB Off Canter Bead _= - - Breaks through the Tillet. Breaks through - the fBlet range from breaks starting at the AD-WLD edge of the the top sheet to breaks Non -FTB ~? ~ ~ ~ through the fillet after some adhesion .~~ ~ fa7ure between the fillet and the bottom sheet. Break at seam edge in.the bottom sheet. - Specimens may break anywhere from the FTB SE7 bead/outer area edge to the outer oreo/ Duffed area. (Applicable to sheer only). --= _ ~ ~ - ~ Break at -seam edge in the top sheet. ~ FT8 SE2. Speeimensmay break anywhere from the bead/ -- outer area edge to the outer oieoJbuffed oreo. ^~~ SE3 Break at seam edge in the bottom sheet. F,i,e - (Applicable to peel only). . ~ Break in the bottom sheering. A "B" in sa?l=" BRK1 parenthesis following the code means the FTB specimen broke in the buffed area. (Applicable to sheer only). _-__ Breok in the top sheering. A "B" in parenthesis BRK2 . (allowing the code means the speciman broke in FTB the buffed oreo. _ 8reck in the bottom sheering after some adhesion AD-BRK failure between the fillet and the bottom sheet. FTB - ~ (Applicable to peel only). ~ . Breok of the edge of the hot tack far -- HT specimens which could not be delominated No Test in the hot tack. a FTB = Flm-Tear Bond f """ ~ G+G+ Cripple Crsek d Vktor Gold lYWttrty ComP~Y p V Crssaon Protect aG. A Joint Venture - MgloGoid (Colorado) Cory., Manager TLE DESTRUCTIVE SAMPLE TEST CODES FOR EXTRUSION WELDS WITH LEISTER HEAT SEAMS PRQIEQ No. 001-4204 FllE No. 22n]A0: aE51GN SGIf N.T.S. REV. U00 NM 6/i 6/a2 _Asso~ci~ales °NEaN ~~ °/'6/02 FIGURE B-1