DE184817C - - Google Patents
Info
- Publication number
- DE184817C DE184817C DENDAT184817D DE184817DA DE184817C DE 184817 C DE184817 C DE 184817C DE NDAT184817 D DENDAT184817 D DE NDAT184817D DE 184817D A DE184817D A DE 184817DA DE 184817 C DE184817 C DE 184817C
- Authority
- DE
- Germany
- Prior art keywords
- armature
- steel
- magnetic
- magnet
- hardness
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 17
- 230000005291 magnetic Effects 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 235000019589 hardness Nutrition 0.000 description 17
- 230000005301 magnetic effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000854350 Enicospilus group Species 0.000 description 1
- 208000010201 Exanthema Diseases 0.000 description 1
- 206010037844 Rash Diseases 0.000 description 1
- 210000001138 Tears Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 201000005884 exanthem Diseases 0.000 description 1
- 230000001771 impaired Effects 0.000 description 1
- 238000009114 investigational therapy Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002907 paramagnetic material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/80—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating mechanical hardness, e.g. by investigating saturation or remanence of ferromagnetic material
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE184817C true DE184817C (fi) |
Family
ID=448720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT184817D Active DE184817C (fi) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE184817C (fi) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE741194C (de) * | 1937-04-28 | 1943-11-06 | Kaiser Wilhelm Inst Fuer Eisen | Verfahren zum Bestimmen der mechanischen Haerte von ferromagnetischen Werkstoffen auf magnetischem Wege |
| US2643544A (en) * | 1951-03-23 | 1953-06-30 | Dev Res Corp | Hardness tester |
-
0
- DE DENDAT184817D patent/DE184817C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE741194C (de) * | 1937-04-28 | 1943-11-06 | Kaiser Wilhelm Inst Fuer Eisen | Verfahren zum Bestimmen der mechanischen Haerte von ferromagnetischen Werkstoffen auf magnetischem Wege |
| US2643544A (en) * | 1951-03-23 | 1953-06-30 | Dev Res Corp | Hardness tester |
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