ML19326C468: Difference between revisions
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Latest revision as of 17:51, 18 February 2020
| ML19326C468 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 04/04/1978 |
| From: | ARKANSAS POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML19326C456 | List: |
| References | |
| PROC-780404, NUDOCS 8004230592 | |
| Download: ML19326C468 (4) | |
Text
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ATTACHMENT NO. 2 PROCEDURE FOR TESTING OP 100-INCH GAGE LENGTH SPECIMENS .
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3C OF 100-I :C1! C,'.CE 1.!;tlCTil ulng SPEC 110;tl5 .
1,0 PROCF. Dung FOR TEST 1: ~
100-inch gage Icocth specimens shd11 The procedure f or testing nominal .
. be as follows:
101 inches long, insert two Wire
- (1) Cut cach wire test specimen (Figurc D-2), buttonhead cach cnd of the Test Stressing Washcrs test specimen. -
(2) Transf er specimen identification information from tag to data sheet.
(3) lleasure and record gage icngth f rom inside of buttonhead to
. inside of buttonhead and wire diameter.
in Wire Test Frame (Figure D-1)'and check for (4) Insert specimen proper seating of stressing washers in pulling adaptors.
the buttonheads in '
(5) Preload to 50 to 70 ksi in the wire to set
- the stressing washer. .
~
Release preload and stress wire to 29 ksi (0.1% clongation)...
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(6) clongation (0.9" in 100" (7) Preset dial gage to measure 0.9..'
gage . Ic.ngth ) .
(8) Obtain pres'sure reading ut.cn dial gage in'dicates a ciovement of -
0.9% elongation (pressure at 1% clongation).
1% (approximately (9) . Remove . dial gage and record rule reading at 1") clongation.
. (10)
Pull'to failure recording maximum c-longation and gage pressure .
reading. *
(11) Remove spc imen and record type and location of break.
, Calculate ultimate stress.
(12) Determine force needed to br'cak wirc.
from pressure reading at 1% clongation.
-(13) Calculate yield stress f ailure based on (14) Calculate percent clongation under load at actual gage length.
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' FIGullE D.7 - Wint: TEST STnt:SSIN3 %WEMUrt
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ANCHO;1 END STR ESSING 'VASHER .
INDICATOR NEEDLE , M'\
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r!Jh TEST SPECIMEN ~~
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