Published 1976 | Version v1
Book Metadata-only

Mechanical properties of α-neptunium: hardness and elastic moduli

Creators

  • 1. Battelle Pacific Northwest Labs., Richland, Wash. (USA)

Description

The hardness of orthohombic α-neptunium was 418, 395 and 346 Dph at 203, 240 and 298 K, respectively. The high values of hardness were attributed to the high stresses required fpr deformation twinning in highly twinned grains. Deformation twinning always ocurred around the hardness indentations; slip was also observed. A second twinning mode in addition to the reported [110] mode was suggested by the observations. Shear and bulk moduli were measured from 77 to 373 K; the values at 2980K were 8.28 x 1011 and 117 x 1011 dyne/cm2, respectively. (Auth.)

Additional details

Publishing Information

Publisher
North-Holland.
Imprint Place
Amsterdam, The Netherlands
ISBN
0 7204 0404 5
Imprint Title
Plutonium 1975 and other actinides
Imprint Pagination
p. 679-685.

Conference

Title
5. international conference on plutonium and other actinides.
Dates
10 - 13 Sep 1975.
Place
Baden Baden, Germany, F.R.

INIS

Country of Publication
Netherlands
Country of Input or Organization
Netherlands
INIS RN
8309865
Subject category
S36: MATERIALS SCIENCE;
Resource subtype / Literary indicator
Conference
Descriptors DEI
HARDNESS; LOW TEMPERATURE; MEDIUM TEMPERATURE; NEPTUNIUM-ALPHA; ORTHORHOMBIC LATTICES; SLIP; SOUND WAVES; STRESSES; TEMPERATURE DEPENDENCE; TWINNING; VELOCITY; YOUNG MODULUS
Descriptors DEC
ACTINIDES; CRYSTAL LATTICES; CRYSTAL STRUCTURE; ELASTICITY; ELEMENTS; MECHANICAL PROPERTIES; METALS; NEPTUNIUM; TENSILE PROPERTIES; TRANSURANIUM ELEMENTS