CA1079392A - Method and apparatus for the real-time evaluation of welds by emitted stress waves - Google Patents

Method and apparatus for the real-time evaluation of welds by emitted stress waves

Info

Publication number
CA1079392A
CA1079392A CA254,324A CA254324A CA1079392A CA 1079392 A CA1079392 A CA 1079392A CA 254324 A CA254324 A CA 254324A CA 1079392 A CA1079392 A CA 1079392A
Authority
CA
Canada
Prior art keywords
weld
phase transformation
signal
stress
solid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA254,324A
Other languages
English (en)
French (fr)
Inventor
Sotirios J. Vahaviolos
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US05/592,437 external-priority patent/US3965726A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA1079392A publication Critical patent/CA1079392A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
    • G01N29/343—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics pulse waves, e.g. particular sequence of pulses, bursts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
CA254,324A 1975-07-02 1976-06-08 Method and apparatus for the real-time evaluation of welds by emitted stress waves Expired CA1079392A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/592,437 US3965726A (en) 1975-07-02 1975-07-02 Method and apparatus for the real-time evaluation of welds by emitted stress waves

Publications (1)

Publication Number Publication Date
CA1079392A true CA1079392A (en) 1980-06-10

Family

ID=24370643

Family Applications (1)

Application Number Title Priority Date Filing Date
CA254,324A Expired CA1079392A (en) 1975-07-02 1976-06-08 Method and apparatus for the real-time evaluation of welds by emitted stress waves

Country Status (6)

Country Link
JP (1) JPS528887A (sv)
CA (1) CA1079392A (sv)
ES (1) ES449509A1 (sv)
GB (1) GB1545241A (sv)
IT (1) IT1071223B (sv)
SE (1) SE409762B (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62133351A (ja) * 1985-12-05 1987-06-16 Nippon Steel Corp 電縫管溶接部の溶接欠陥検出方法
JPH0689484B2 (ja) * 1987-10-28 1994-11-09 株式会社クラレ 溶融紡糸法
CN114813356B (zh) * 2022-07-01 2022-09-23 江铃汽车股份有限公司 封装芯片焊脚焊接质量检测方法

Also Published As

Publication number Publication date
IT1071223B (it) 1985-04-02
JPS528887A (en) 1977-01-24
GB1545241A (en) 1979-05-02
SE7607093L (sv) 1977-01-03
SE409762B (sv) 1979-09-03
JPS5644374B2 (sv) 1981-10-19
ES449509A1 (es) 1977-08-01

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Legal Events

Date Code Title Description
MKEX Expiry