Islamic Republic of Iran

ISIRI

12657 12657 Institute of Standards and Industrial Research of Iran 1st.edition

)

( -

)SCF(-

Fine ceramics (advanced ceramics, advanced technical ceramics)

The fracture toughness of monolithic ceramics at room temperature

by the surface crack in flexure (SCF)- Test method

ICS: 81.060.30

3 1731

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: ( 3) 1/ SYHSMQ (3)

: H1= 1-[ 0/43+ 0/11( c/a( ] )W/a)

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3mm4mm 1- CF

4 = W ,3 = B CF

3 = W ,4 = B C

mm

0/080 1/300 1/300 0/090 1/400 1/400 0/001 1/500 1/500 0/011 1/600 1/600 0/021 1/700 1/700 /031 1/800 1/800 0/041 1/900 1/900 0/051 1/110 1/110 0/061 1/210 1/210 0/071 1/410 1/410 0/081 1/510 1/510 0/091 1/710 1/710 0/002 1/910 1/910 0/012 1/020 1/120 0/022 1/220 1/320 0/032 1/420 1/520 0/042 1/720 1/720 0/052 1/920 1/030 0/062 1/130 1/230 0/072 1/330 1/430 0/082 1/630 1/730 0/092 1/830 1/040 0/003 1/040 1/240