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Hardness curve and Ludwik cone pressure hardness
In place of potency equation of E. MEYER for ball indentations, new equation, called hardness curve, is developed, and in most cases Meyer hardness values can be replaced by Ludwik cone hardness; for determination of 90° cone hardness, hard metal cone is most suitable.
Hardness curve and Ludwik cone pressure hardness
In place of potency equation of E. MEYER for ball indentations, new equation, called hardness curve, is developed, and in most cases Meyer hardness values can be replaced by Ludwik cone hardness; for determination of 90° cone hardness, hard metal cone is most suitable.
Hardness curve and Ludwik cone pressure hardness
Die bezogene Haertekurve und die Ludwik'sche Kegeldruckhaerte
Boeklen, R. (author)
1943
5 pages
Bibliography
Article (Journal)
German
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Relation between measured hardness curve and other hardness values
| Engineering Index Backfile | 1943
Ludwik Schneider - architekt kosciolow
| British Library Conference Proceedings | 1997
Hardness and hardness measurements
| TIBKAT | 1942
Hardness obtained from conical indentations with various cone angles
| British Library Online Contents | 2000
| Springer Verlag | 2010