sigmats=195,000 psi
Specimen broke under high cycle fatigue (Nf=3.13*105, Smean=39,5000 psi)
Click for larger imageAbove is typical transgranular cleavage. (Bhattacharyya, 70-12)
Stainless Steel
sigmats=195,000 psi
Specimen broke under high cycle fatigue (Nf=3.13*105,
Smean=39,5000 psi)
Click for larger image
Above is typical transgranular cleavage. (Bhattacharyya, 70-12)
TiB2 (hot pressed)
sigmaflexural=57,700 psi
Specimen failed in tension.
Click for larger image
Above is a ceramic surface with cleavage. (Varner,302d)
Nickel-Base Alloy
sigmats=141,000 psi
Specimen broke under low cycle fatigue.
Click for larger image
Cleavage is seen throughout above picture. (Bhattacharyya, 130-13)
Silicon Carbide (SiC)
sigmaflexural=105,850 psi
Specimen broke in tension.
Click for larger image
A ceramic with smaller cleavage is shown above. (Varner, 301c)
More pictures and information on this topic
How this topic relates to plastic deformation
Submitted by Ron Halahan
Virginia Tech Materials Science and Engineering
http://www.eng.vt.edu/eng/materials/classes/MSE2094_NoteBook/97ClassProj/exper/halahan/www/cleavage.html
Last updated: 4/27/97