CEM 312 Const. Materials & Testing PDF
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Manuel L. Quezon University
c.a.balisi
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Summary
This document discusses the general properties of materials, including their physical, mechanical, and chemical characteristics. It covers topics like color, texture, specific gravity, density, and more, providing an overview of important material attributes. It is geared towards understanding material behaviors under various conditions.
Full Transcript
CEM 312 CONST. MATERIALS & TESTING MATERIALS c.a.balisi ENGG. MATERIIALS c.a.balisi PHYSICAL PROPERTIES - are those derived from properties of matter - attributed to the physical structure Ø COLOR Ø TEXTURE Ø SHAPE Ø SPECIFIC GRAVITY Ø DENSITY Ø POROSITY Ø MOIS...
CEM 312 CONST. MATERIALS & TESTING MATERIALS c.a.balisi ENGG. MATERIIALS c.a.balisi PHYSICAL PROPERTIES - are those derived from properties of matter - attributed to the physical structure Ø COLOR Ø TEXTURE Ø SHAPE Ø SPECIFIC GRAVITY Ø DENSITY Ø POROSITY Ø MOISTURE CONTENT Ø PERMEABILITY ENGG. MATERIIALS c.a.balisi MECHANICAL PROPERTIES - relate to the behavior of materials when subjected to loads Ø STRESS Ø MPa Ø M (proportional deformation under stress) Ø STRAIN Ø MPa ( resistance to rupture) Ø STRENGTH Ø STIFFNESS Ø E (Young’s modulus) Resistance to elastic deformation Ø Deformation is removed when load is Ø ELASTICITY removed Ø PLASTICITY Ø Ability to undergo permanent Deformation without rupture Ø DUCTILITY Ø Degree of extension before failure Ø HARDNESS Ø Resistance to abrasion & scratch Ø BRITTLENESSØ Opposite of ductility Ø ENDURANCE Ø Resistance to repeated load applications ENGG. MATERIIALS c.a.balisi MECHANICAL PROPERTIES - relate to the behavior of materials when subjected to loads Ø STRESS Ø MPa Ø M (proportional deformation under stress) Ø STRAIN Ø MPa ( resistance to rupture) Ø STRENGTH Ø STIFFNESS Ø E (Young’s modulus) Resistance to elastic deformation Ø Deformation is removed when load is Ø ELASTICITY removed Ø PLASTICITY Ø Ability to undergo permanent Deformation without rupture Ø DUCTILITY Ø Degree of extension before failure Ø HARDNESS Ø Resistance to abrasion & scratch Ø BRITTLENESSØ Opposite of ductility Ø ENDURANCE Ø Resistance to repeated load applications ENGG. MATERIIALS c.a.balisi CHEMICAL PROPERTIES - are those pertaining to composition and potential reaction of materials Ø ACIDITY Ø ALKALINITY Ø RESISTANCE TO CORROSION ENGG. MATERIIALS c.a.balisi OTHER PROPERTIES Ø THERMAL Ø ELECTRICAL Ø MAGNETIC Ø OPTICAL Ø ACCOUSTICAL ENGG. MATERIIALS c.a.balisi
