WHAT IS POLLUTION ? We all know the word pollution but what it is and how harmful or pollution comes from. Many of us do not know. When w...
Chemical Machining Process.
CHEMICAL MACHINING In this process, two most important factors are etchant resistance material (called maskant or resist ) and etchant used...
Effect of specimen geometry.
EFFECT OF SPECIMEN GEOMETRY The toughness, or resistance to crack growth, of a material is governed by the energy absorbed as the crack mo...
Anomalous expansion of water.
ANOMALOUS EXPANSION of WATER Usually when the liquid is poured in the corner, its volume increases and its density decreases. But in the cas...
Yield and Plastic flow, with Multiaxial Stress state.
YIELD & PLASTIC FLOW, WITH MULTIAXIAL STRESS STATE. YIELD AND PLASTIC FLOW In the overview of the tensile stress-strain curve in Chapter...
Theory of Tensile Strength and Tensile Stress.
THEORY OF TENSILE STRENGTH AND TENSILE STRESS. TENSILE STRENGTH AND TENSILE STRESS Perhaps the most natural test of material’s mechanical...
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