FR2410267A1 - Appareil d'essai de durete - Google Patents
Appareil d'essai de dureteInfo
- 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
Links
- 238000001514 detection method Methods 0.000 abstract 1
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.
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)
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)
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 |
DE3378493D1 (fr) * | 1982-09-25 | 1988-12-22 | Matsuzawa Seiki Kk | |
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 |
CN1201134C (zh) * | 1999-09-06 | 2005-05-11 | 英诺特克欧洲股份有限公司 | 变形检测装置 |
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)
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 |
-
1977
- 1977-11-25 GB GB49235/77A patent/GB1588248A/en not_active Expired
-
1978
- 1978-11-17 US US05/961,605 patent/US4222262A/en not_active Expired - Lifetime
- 1978-11-24 DE DE19782850957 patent/DE2850957A1/de not_active Withdrawn
- 1978-11-24 FR FR7833193A patent/FR2410267A1/fr active Granted
- 1978-11-25 JP JP14498678A patent/JPS5483494A/ja active Pending
Cited By (7)
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 |
---|---|
GB1588248A (en) | 1981-04-23 |
US4222262A (en) | 1980-09-16 |
DE2850957A1 (de) | 1979-05-31 |
FR2410267B3 (fr) | 1981-09-18 |
JPS5483494A (en) | 1979-07-03 |
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