ML19326C468

Procedure for Testing of 100 Inch Gage Length Wire Specimens.

ML19326C468
Person / Time
Site:	Arkansas Nuclear
Issue date:	04/04/1978
From:	ARKANSAS POWER & LIGHT CO.
To:
Shared Package
ML19326C456	List: ML19326C455 ML19326C463 ML19326C468 ML19326C471
References
PROC-780404, NUDOCS 8004230592
Download: ML19326C468 (4)

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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 .

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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. -

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(2) Transf er specimen identification information from tag to data

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sheet.

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(3) lleasure and record gage icngth f rom inside of buttonhead to

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. inside of buttonhead and wire diameter.

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in Wire Test Frame (Figure D-1)'and check for (4) Insert specimen

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proper seating of stressing washers in pulling adaptors.

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the buttonheads in '

(5) Preload to 50 to 70 ksi in the wire to set

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• the stressing washer. .

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Release preload and stress wire to 29 ksi (0.1% clongation)...

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(6) clongation (0.9" in 100"

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(7) Preset dial gage to measure 0.9..'

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gage . Ic.ngth ) .

(8) Obtain pres'sure reading ut.cn dial gage in'dicates a ciovement of -

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0.9% elongation (pressure at 1% clongation).

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1% (approximately (9) . Remove . dial gage and record rule reading at 1") clongation.

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Pull'to failure recording maximum c-longation and gage pressure .

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(11) Remove spc imen and record type and location of break.

, Calculate ultimate stress.

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(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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