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SAE J391
Definition for Particle Size
Automatically translated name:
Definition for Particle Size (Stabilized: Jun 2011)
STANDARD published on 1.6.2011
The information about the standard:
Designation standards: SAE J391
Publication date standards: 1.6.2011
SKU: NS-486976
Country: American technical standard
Category: Technical standards SAE
Annotation of standard text SAE J391 :
"Effective particle or domain size" is a phrase used in X-ray diffraction literature to describe the size of the coherent regions within a material which are diffracting. Coherency in this sense means diffracting as a unit. Small particle size causes X-ray line broadening and as such can be measured. It has been shown related to substructure as observed in transmission electron microscopy. Particle size is affected by hardening, cold working, and fatigue; conversely, there is increasing evidence that particle size, per se, affects both static and dynamic strength.
SUBJECT TAXONOMY: Microscopy, Materials
SUBFILE: Automotive
TYPE OF DOCUMENT: Ground Vehicle Standard
Stabilized: Jun 2011 
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