Distinction between cement and concrete

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1 .The mechanical properties of cobalt may be improved by incorporating fine particles of tungsten carbide (WC). Given that the mod- uli of elasticity of these materials are, respectively, 200 GPa (30 x 106  psi) and 700 GPa

2. (a) What is the distinction between cement and concrete?

(b) Cite three important limitations that restrict the use of concrete as a structural material.

(c) Briefly explain three techniques that (102 x 106psi), plot  modulus  of elasticity are utilized to strengthen concrete by  rein versus the volume percent of WC in Co from 0 to 100 vol%, using both upper- and lower- bound expressions.

Reference no: EM13948352

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