FR771662A - Perfectionnements aux machines à essayer les métaux à la dureté - Google Patents
Perfectionnements aux machines à essayer les métaux à la duretéInfo
- Publication number
- FR771662A FR771662A FR771662DA FR771662A FR 771662 A FR771662 A FR 771662A FR 771662D A FR771662D A FR 771662DA FR 771662 A FR771662 A FR 771662A
- Authority
- FR
- France
- Prior art keywords
- testing machines
- hardness testing
- hardness
- machines
- testing
- 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
Links
Classifications
-
- 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
- G01N3/44—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid the indentors being put under a minor load and a subsequent major load, i.e. Rockwell system
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR771662T | 1933-07-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR771662A true FR771662A (fr) | 1934-10-13 |
Family
ID=9191476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR771662D Expired FR771662A (fr) | 1933-07-11 | 1933-07-11 | Perfectionnements aux machines à essayer les métaux à la dureté |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR771662A (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2536880A (en) * | 1948-01-01 | 1951-01-02 | Vickers Armstrong Ltd | Apparatus for applying predetermined loads to objects for testing hardness |
US2674874A (en) * | 1950-05-11 | 1954-04-13 | Vickers Armstrongs Ltd | Apparatus for applying predetermined loads to objects for testing hardness |
US2685197A (en) * | 1951-03-17 | 1954-08-03 | Applic Et De Const Pour Materi | Hardness measuring apparatus |
CN109781500A (zh) * | 2018-12-17 | 2019-05-21 | 贵州省生物研究所 | 一种金属薄板贯穿阻力测试仪及检测方法 |
-
1933
- 1933-07-11 FR FR771662D patent/FR771662A/fr not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2536880A (en) * | 1948-01-01 | 1951-01-02 | Vickers Armstrong Ltd | Apparatus for applying predetermined loads to objects for testing hardness |
US2674874A (en) * | 1950-05-11 | 1954-04-13 | Vickers Armstrongs Ltd | Apparatus for applying predetermined loads to objects for testing hardness |
US2685197A (en) * | 1951-03-17 | 1954-08-03 | Applic Et De Const Pour Materi | Hardness measuring apparatus |
CN109781500A (zh) * | 2018-12-17 | 2019-05-21 | 贵州省生物研究所 | 一种金属薄板贯穿阻力测试仪及检测方法 |
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