ML20215F538

Nonproprietary Slide Presentation Entitled, Nrc/Northern States Power/Westinghouse Joint Technical Exchange:Shape Memory Alloy Sleeving, Presented on 860821

ML20215F538
Person / Time
Site:	Prairie Island
Issue date:	08/21/1986
From:	WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP.
To:
Shared Package
ML19292G038	List: ML20215F504 ML20215F527 ML20215F538
References
NUDOCS 8610160255
Download: ML20215F538 (101)

Text

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' t er Attachment 2 to NS-0PLS-0PL-I-86-281 NRC/NSP/M JOINT TECHNICAL EXCHANGE SHAPE MEiiORY ALLOY SLEEVING ,

AUGUST 21, 1986

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" SHAPE MEMORY ALLOY SLEEVE QUALIFICATION PROGRAM ,

i NRC/ UTILITY /W JOINT EXCHANGE  !

l AUGUST 21, 1986 I. INTRODUCTION NORTHERN STATES POWER /

WESTINGHOUSE

~

II. PURPOSE WESTINGHOUSE III. COMPARIS0N OF SMA AND HEJ WESTINGHOUSE IV. SHAPE MEMORY ALLOY TECHNOLOGY RAYCHEM

. HISTORY AND APPLICATIONS

. METALLURGY V. SMA SLEEVE DESIGN WESTINGHOUSE /RAYCHEM

. DESIGN CRITERIA

- . OPERATION VI. EVALUATION OF PRELIMINARY TESTING WESTINGHOUSE /RAYCHEM RESULTS

. MECHANICAL TESTING

. CORROSION TESTING

. NDE EVALUATION VII. 1986 SMA QUALIFICATION PROGRAM WESTINGHOUSE

. MECHANICAL TESTING PROGRAM

. STRUCTURAL ANALYSIS PROGRAM

. CORR 0SION TEST PROGRAM

. NDE PROGRAM

. CODE CASE FINALIZATION AND LICENSING APPROACH

. PROGRAM INTEGRATION AND SCHEDULE VIII. DISCUSSION / FUTURE DIRECTION WESTINGHOUSE l

. -. . . . - - - . - . - . - _ - , - _ . - . _ . - _ - - . , _ . - _ . _ - _ _ . . , - _ - . , _ - . - - - _ - - - - - - - . . - _ ~

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. THE PURPOSE OF CONTINUING TECHNICAL EXCHANGES IS T0:

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1) ASSIST IN THE DESIGN OF THE NECESSARY TESTING AND QUALIFICATION PROGRAM.

2) QUALIFY A PROCESS WHICH IS COST AND ALARA EFFECTIVE, TECHNICALLY APPROPRIATE AND COMMERCIALLY ACCEPTABLE.

3) EASE LICENSING PROCESS a

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i THE SHAPE MEMORY ALLOY SLEEVE WAS DESIGNED TO PRODUCE A PRODUCT SIMILAR TO OUR CURRENTLY QUALIFIED AND INSTALLED MECHANICAL SLEEVES.

O MECHANICAL SEAL TOP AND BOTTOM 0 SLEEVE LENGTH DEPENDENT ON SPECIFIC UTILITY NEEDS O CURRENTLY DESIGNED TO BE INSTALLED IN S0% OF THE S/G TUBES 0 CAPABLE OF BEING INSTALLED AFTER PLUG REMOVAL 0 LICENSABLE ON A GENERIC BASIS

ADVANTAGES OF THE SMA SLEEVE THREE DISTINCT PROCESS STEPS ACCOMPLISHED IN ONE STEP SIGNIFICANTLY REDUCES INSTALLATION TIME REDUCES EXPOSURE FOR INSTALLATION REDUCES INSTALLATION EQUIPMENT SMA SLEEVE INSTALLS (FORMS JOINTS) ITSELF COMPLEXITY OF EQUIPMENT SIGNIFICANTLY REDUCED FEW MOVING PARTS WHICH HAVE TO BE CONTROLLED OR MONITORED MAINTENANCE SUPPORT GREATLY REDUCED TOOL OPERATION AND MAINTENANCE TRAINING GREATLY REDUCED UNIQUE PRODUCT DIFFERENTIATION SUPERIOR SEALING. CAPABILITIES READILY ADAPTABLE TO ROBOTICS COST EFFECTIVE ALTERNATIVE TO PLUGGING I

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SLEEVE INSTALLATION PROCEDURES MECHANICAL SLEEVE (HEJ) SHAPE HEMORY ALLOY SLEEVE (SilA) e HONE e HONE e INSERT / HYDRAULIC EXPANSION e INSERT / HEAT e LOWER HARD ROLL e UPPER HARD ROLL e INSPECT e INSPECT

I SHAPE MEMORY ALLOY TECHNOLOGY {

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. HISTORY AND APPLICATIONS

. METALLURGY PRESENTED BY RAYCHEM CORPORATION FOR NRC/NSP/EJOINTTECHNICALEXCHANGE .

SHAPE MEMORY ALLOY SLEEVING AUGUST 21, 1986 O

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1. THE ORIGIN OF SHAPE MEMORY

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1950's PHENOMENON FOUND IN "EX0 TIC ALLOYS" Cu-Cd 1960's N1Ti DISCOVERED "BY ACCIDENT" LATE 1960's RAYCHEM ,

EARLY 1970'S BRASS SHAPE MEMORY ALLOYS

... MID-LATE 1970's COMPETITION 1980's JAPANESE

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PHASE - A COMP 051 TION WITH A PARTICULAR CRYSTAL STRUCTURE. -

CRYSTAL STRUCTURE - A SYMMETRICAL, PERIODIC ARRAY OF ATONS.

PHASE TRANSFORMATIM - A REACTION IN WHIO( A CHANGE IN CRYSTAL STRUCTURE OCCURS ON CHANGING THE TEMPERATURE.

MARTENSITIC TRANSFORMATim - A PARTICULAR TYPE OF PHASE TRANSFORMATION.

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1971 USN/6RUMMAN F-14 CRY 0 FIT 3,000 PSI HYDRAULIC CpUPLINGS 500,000 IN SERVICE ,

1974 ' USN/ DRAPER / SIN 6ER TRIDENT IMU CRY 0 CON CONNECTOR 1,000,000 IN SERVICE 1975 ROYAL NAVY /VICKERS NUCLEAR SUBS 6,000 PSI CRY 0 FIT l COUPLINGS 1977 USN/INGALLS SURFACE SHIPS 6,000 PSI CRYOFIT COUPLINGS

. l 1978 ROYAL NAVY NUCLEAR SUBS CRY 0 CON BULKHEAD PENETRATION

' SPLICES

_ _ .- l 1980 THORN /EMI JP 233 CRY 0 CON FOR DETONATOR 1983 CEGB APPROVAL FOR CRYOFIT COUPLINGS .

1983 MISSILE AWRE/ROF BURGHFIELD RING USE ON SUBMARINE LAUNCHED 1984 FRENCH NAVY M-4 MISSILE CRY 0 TACT CONNECTOR 1984 USAF/ROCKWELL B1-B CRYOFIT 4,000 PSI COUPLINGS USAF/NORTHROP CRYOFIT 4,000, PSI COUPLINGS l

1985 USAF APPROVAL FOR CRY 0 TAC,T FOR I.C. SOCKETS 1985 FRENCH MILITARY APPROVAL FOR CRY 0 TACT FOR AIRBORE APPLICATIONS i

t NUCLEAR SALES OF CRYOFIT

. . CUSTOMER REQUIREMENT Public Service Company of New Hampshire ANSI N45.2 Seabrook Nuclear Station (UnitedEngineersandConstructors) ASME Section III NCA 3800 -

. . Commonwealth Edison 10 CFR 50 Appendix 8 8raidwood Nuclear Station

. Carolina Power and Light ANSI N45.2 Brunswick Nuclear Station

. Northern States Power ANSI N45.2 Prairie Island Nuclear Station 10 CFR 50 Appendix 8 (Fluor Engineers) .

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1) Mechanical Testing -

l Dimensional inspection --[ ,

a,c,e Helium Leak Check -- quick inexpensive way to evaluate the sleeve joint seal quality.

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2) Corrosion Testing a,c.e

3) NDE Evaluation a,c,e i

l SAMPLE PREPARATION The tube and sleeve materials were representative of the material used in Westinghouse sleeving qualification ehrts.

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MECHANICAL TESTING DIMENSIONAL INSPECTION Dimensional ch.aracterization. .

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1 HELIUM LEAK TESTING More sensitive than hydrotesting Qualitative indication of the SMA joint leak tightness. .

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l MATERIALS EVALUATION PROGRAM l

. l Materials evaluation of the SMA sleeve design consisted of the following: )

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• Corrosion Tests a,c.e

• Mechanical Tests

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The tests conducted to date indicate the following:

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ASME CODE CASE N-431 GENERATED ASKS PERMISSION TO USE NICKEL-TITANIUM ,

FITTINGS IN SECTION 111, DIVISION 1 CLASS 1,2,3 CONSTRUCTION ASME CODE CASE APPROVED BY VOICE VOTE l l

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1 INTERMEDIATE DESIGN REVIEW

,1NDICATED,NEED FOR:

MATERIAL PROPERTIES CHARACTERIZATION ,

CORROSION QUALIFICATION i

MECHANICAL TESTING _ QUALIFICATION .

NDE INSPECTABILITY _

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Mechanical Testing / Analysis .

Issues

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l Material Requirements

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i STRUCTURAL ANALYSIS

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ASME B&PV code. Section lit, Subsection NB,1983 Editidn ar c,e

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RG 1.121

SUMMARY

FOR SLEEVE DESIBN APPLICATION BURST LEAK COLLAPSE LBB FATIGUE NORMAL GF=1 DN Sy TECH NA NORMAL ,

ON SF=3 DN Su SPEC LEAK

.. FLB + SSE SF=1.43 DN Su FS=10 NA FAULTED U < 1. 0 ON i

(10CFR100) SREAK LOCA + SSE NA NA SF=1.1 l

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Special Considerations 8,c,e Allowable Sleeve Degradation ( Reg. Guide 1.121 ) -

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SLEEVES WITH SHAPE MEMORY ALLOY EXPANDERS 4

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l SMA SLEEVE NDE IMPROVEMENT PROGRAM

1. Assess Applicability of EMAT Technology

11. Optimize Conventional Ultrasonic .

Inspection Techniques 111. Explore improved Eddy Current Techniques

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