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Microhardness studies of renal calculi

Publication ,  Journal Article
Johrde, LG; Cocks, FH
Published in: Materials Letters
January 1, 1985

The development of acoustic and other methods of kidney stone fragmentation has given importance to the study of the mechanical properties of such stones. Renal calculi based upon calcium oxalate, calcium phosphate, uric acid, cystine, and magnesium ammonium phosphate have been studied using Knoop microhardness indentation methods. The microhardness of dry stones was found to vary with the calculi chemical composition, yet remained consistent within composition groups. The hardest calculi were found to be calcium oxalates with a Knoop microhardness of 68-88 kg/mm2. Other compositions have hardness of up to a factor of two lower than this. © 1985.

Duke Scholars

Published In

Materials Letters

DOI

ISSN

0167-577X

Publication Date

January 1, 1985

Volume

3

Issue

3

Start / End Page

111 / 114

Related Subject Headings

  • Materials
  • 51 Physical sciences
  • 40 Engineering
  • 34 Chemical sciences
  • 09 Engineering
  • 03 Chemical Sciences
  • 02 Physical Sciences
 

Citation

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Johrde, L. G., & Cocks, F. H. (1985). Microhardness studies of renal calculi. Materials Letters, 3(3), 111–114. https://doi.org/10.1016/0167-577X(85)90009-6
Johrde, L. G., and F. H. Cocks. “Microhardness studies of renal calculi.” Materials Letters 3, no. 3 (January 1, 1985): 111–14. https://doi.org/10.1016/0167-577X(85)90009-6.
Johrde LG, Cocks FH. Microhardness studies of renal calculi. Materials Letters. 1985 Jan 1;3(3):111–4.
Johrde, L. G., and F. H. Cocks. “Microhardness studies of renal calculi.” Materials Letters, vol. 3, no. 3, Jan. 1985, pp. 111–14. Scopus, doi:10.1016/0167-577X(85)90009-6.
Johrde LG, Cocks FH. Microhardness studies of renal calculi. Materials Letters. 1985 Jan 1;3(3):111–114.
Journal cover image

Published In

Materials Letters

DOI

ISSN

0167-577X

Publication Date

January 1, 1985

Volume

3

Issue

3

Start / End Page

111 / 114

Related Subject Headings

  • Materials
  • 51 Physical sciences
  • 40 Engineering
  • 34 Chemical sciences
  • 09 Engineering
  • 03 Chemical Sciences
  • 02 Physical Sciences