DE304732C - - Google Patents
Info
- Publication number
- DE304732C DE304732C DENDAT304732D DE304732DA DE304732C DE 304732 C DE304732 C DE 304732C DE NDAT304732 D DENDAT304732 D DE NDAT304732D DE 304732D A DE304732D A DE 304732DA DE 304732 C DE304732 C DE 304732C
- Authority
- DE
- Germany
- Prior art keywords
- rod
- ball
- steel ball
- comparison
- 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 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910000760 Hardened steel Inorganic materials 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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
- G01N3/48—Investigating hardness or rebound hardness by performing impressions under impulsive load by indentors, e.g. falling ball
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 Strength Of Materials By Application Of Mechanical Stress (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE304732C true DE304732C (enrdf_load_stackoverflow) |
Family
ID=558311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT304732D Active DE304732C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE304732C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE897628C (de) * | 1951-07-29 | 1953-11-23 | Rudolf Dr-Ing Boeklen | Schlaghaertepruefer mit Vergleichstab |
-
0
- DE DENDAT304732D patent/DE304732C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE897628C (de) * | 1951-07-29 | 1953-11-23 | Rudolf Dr-Ing Boeklen | Schlaghaertepruefer mit Vergleichstab |
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