Еxample (a) A Brinell hardness measurement is made on a ductile iron (100– 70–03, air- quenched) using a 10-mm-diameter sphere of tungsten carbide.A load of 3,000 kg produces a 3.91-mm-diameter impression in the iron surface. Calculate the BHN of this alloy. (The cor- rect units for the Brinell equation of Table 6.9 are kilograms for load and millimetres for diameters.)

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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(a) A Brinell hardness measurement is made on a ductile iron (100– 70–03, air-
quenched) using a 10-mm-diameter sphere of tungsten carbide.A load of 3,000 kg
produces a 3.91-mm-diameter impression in the iron surface. Calculate the BHN
of this alloy. (The cor- rect units for the Brinell equation of Table 6.9 are
kilograms for load and millimetres for diameters.)
(b) Use Figure 6.29(b) to predict the tensile strength of this ductile iron.
Transcribed Image Text:Example (a) A Brinell hardness measurement is made on a ductile iron (100– 70–03, air- quenched) using a 10-mm-diameter sphere of tungsten carbide.A load of 3,000 kg produces a 3.91-mm-diameter impression in the iron surface. Calculate the BHN of this alloy. (The cor- rect units for the Brinell equation of Table 6.9 are kilograms for load and millimetres for diameters.) (b) Use Figure 6.29(b) to predict the tensile strength of this ductile iron.
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