FR2410267A1 - Appareil d'essai de durete - Google Patents

Appareil d'essai de durete

Info

Publication number
FR2410267A1
FR2410267A1 FR7833193A FR7833193A FR2410267A1 FR 2410267 A1 FR2410267 A1 FR 2410267A1 FR 7833193 A FR7833193 A FR 7833193A FR 7833193 A FR7833193 A FR 7833193A FR 2410267 A1 FR2410267 A1 FR 2410267A1
Authority
FR
France
Prior art keywords
test apparatus
hardness test
signals representing
penetrator
footprint
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.)
Granted
Application number
FR7833193A
Other languages
English (en)
Other versions
FR2410267B3 (fr
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.)
Vickers Ltd
Original Assignee
Vickers Ltd
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
Application filed by Vickers Ltd filed Critical Vickers Ltd
Publication of FR2410267A1 publication Critical patent/FR2410267A1/fr
Application granted granted Critical
Publication of FR2410267B3 publication Critical patent/FR2410267B3/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/024—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of diode-array scanning
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/40—Investigating hardness or rebound hardness
    • G01N3/42—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0098—Tests specified by its name, e.g. Charpy, Brinnel, Mullen
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
    • G01N2203/0647—Image analysis

Landscapes

  • Physics & Mathematics (AREA)
  • General 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)
  • Immunology (AREA)
  • Pathology (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Collating Specific Patterns (AREA)

Abstract

L'INVENTION CONCERNE UN APPAREIL D'ESSAI DE DURETE. UN DISPOSITIF DE DETECTION PHOTOSENSIBLE PRODUISANT DES SIGNAUX ELECTRIQUES REPRESENTANT LA BRILLANCE DETECTE UNE IMAGE DANS LAQUELLE UNE EMPREINTE FORMEE PAR UN PENETRATEUR SE DISTINGUE DU RESTE. DES CIRCUITS DE DISCRIMINATION SEPARENT LES SIGNAUX REPRESENTANT L'EMPREINTE ET PERMETTENT DE MESURER LA DIAGONALE DE CETTE DERNIERE. L'INVENTION S'APPLIQUE NOTAMMENT AUX MESURES DU NOMBRE DE DURETE VICKERS.
FR7833193A 1977-11-25 1978-11-24 Appareil d'essai de durete Granted FR2410267A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB49235/77A GB1588248A (en) 1977-11-25 1977-11-25 Hardness testing apparatus

Publications (2)

Publication Number Publication Date
FR2410267A1 true FR2410267A1 (fr) 1979-06-22
FR2410267B3 FR2410267B3 (fr) 1981-09-18

Family

ID=10451648

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7833193A Granted FR2410267A1 (fr) 1977-11-25 1978-11-24 Appareil d'essai de durete

Country Status (5)

Country Link
US (1) US4222262A (fr)
JP (1) JPS5483494A (fr)
DE (1) DE2850957A1 (fr)
FR (1) FR2410267A1 (fr)
GB (1) GB1588248A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475720A1 (fr) * 1980-02-12 1981-08-14 Commissariat Energie Atomique Systeme de detection et de localisation de discontinuite de surface par faisceau lumineux
EP0046529A1 (fr) * 1980-08-26 1982-03-03 RIV-SKF OFFICINE DI VILLAR PEROSA S.p.A Appareil de lecture pour déterminer l'empreinte obtenue pendant les essais de dureté selon la méthode Vickers
FR2558594A1 (fr) * 1984-01-23 1985-07-26 Radisa Sa Procede de mesure de la durete d'un materiau et dispositif pour la mise en oeuvre de ce procede
DE3505331A1 (de) * 1984-02-24 1985-08-29 Consiglio Nazionale Delle Ricerche, Rom/Roma Verfahren und geraet zur vermessung des bei der eindringhaertepruefung in einer probe hinterlassenen eindrucks
WO1988003345A1 (fr) * 1986-10-30 1988-05-05 Charles Thomas Austin Systeme d'analyse d'image

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723529U (fr) * 1980-07-09 1982-02-06
US4463600A (en) * 1980-09-23 1984-08-07 University Of Birmingham Automatic measurement of areas
US4653106A (en) * 1982-09-25 1987-03-24 Matsuzawa Seiki Kabushikikaisha Indentation hardness meter
US4535623A (en) * 1983-02-11 1985-08-20 Paul Gilberto Material hardness testing apparatus
DE3401527A1 (de) * 1984-01-18 1985-08-01 Amsler-Otto-Wolpert-Werke GmbH, 6700 Ludwigshafen Verfahren zur automatischen bestimmung der haerte durch vermessen eines pruefeindrucks
WO2001018487A1 (fr) * 1999-09-06 2001-03-15 Franz Rottner Detecteur de deformation
DE102005061834B4 (de) 2005-12-23 2007-11-08 Ioss Intelligente Optische Sensoren & Systeme Gmbh Vorrichtung und Verfahren zum optischen Prüfen einer Oberfläche
KR100736436B1 (ko) 2006-06-14 2007-07-09 한국표준과학연구원 비파괴 표면 압입흔적의 형상분석을 통한 압입경도산출방법
GB2479594A (en) * 2010-04-16 2011-10-19 St Microelectronics A sample and hold circuit with internal averaging of samples
JP2013050379A (ja) * 2011-08-31 2013-03-14 Mitsutoyo Corp 硬さ試験機

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754436A (en) * 1972-08-31 1973-08-28 R Saxton Hardness testing apparatus
US3822946A (en) * 1972-12-07 1974-07-09 Schiller Industries Inc Dimensional measuring apparatus using optical scan especially for hardness testing
GB1563570A (en) * 1976-08-19 1980-03-26 Seiko Instr & Electronics Hardness tester

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475720A1 (fr) * 1980-02-12 1981-08-14 Commissariat Energie Atomique Systeme de detection et de localisation de discontinuite de surface par faisceau lumineux
EP0035423A2 (fr) * 1980-02-12 1981-09-09 COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel Système de détection et de localisation de discontinuité de surface par faisceau lumineux
EP0035423A3 (en) * 1980-02-12 1981-09-16 Commissariat A L'energie Atomique Etablissement De Caractere Scientifique Technique Et Industriel System to detect and localize surface discontinuities with a light probe
EP0046529A1 (fr) * 1980-08-26 1982-03-03 RIV-SKF OFFICINE DI VILLAR PEROSA S.p.A Appareil de lecture pour déterminer l'empreinte obtenue pendant les essais de dureté selon la méthode Vickers
FR2558594A1 (fr) * 1984-01-23 1985-07-26 Radisa Sa Procede de mesure de la durete d'un materiau et dispositif pour la mise en oeuvre de ce procede
DE3505331A1 (de) * 1984-02-24 1985-08-29 Consiglio Nazionale Delle Ricerche, Rom/Roma Verfahren und geraet zur vermessung des bei der eindringhaertepruefung in einer probe hinterlassenen eindrucks
WO1988003345A1 (fr) * 1986-10-30 1988-05-05 Charles Thomas Austin Systeme d'analyse d'image

Also Published As

Publication number Publication date
DE2850957A1 (de) 1979-05-31
JPS5483494A (en) 1979-07-03
FR2410267B3 (fr) 1981-09-18
US4222262A (en) 1980-09-16
GB1588248A (en) 1981-04-23

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