Quizzes

Peter Jurik | Dreamstime
Cast iron pipe products
Gray iron is the most widely used cast iron alloy, valued for its castability, machinability, thermal conductivity, and vibration-damping properties. Its characteristic graphite...
June 24, 2026
Andrey Popov | Dreamstime
Engineer uses FEA to review design.
May 13, 2026
Roman Kosolapov | Dreamstime
Grinding large iron casting.
March 30, 2026
FATA Aluminum
FATA Aluminum foam pattern
Feb. 4, 2026
2512fmtoutlookheader
Jan. 11, 2026
Visualcreator00 | Dreamstime
Automotive crankshaft
Nov. 13, 2025
Porosity in castings results when mold gases are generated during pouring. This may result in blowholes (spherical or ovular cavities in the casting surface or within the casting) or pinhole porosity, the result of hydrogen trapped during in the mass of molten metal.
Sept. 8, 2025
F11photo | Dreamstime
The Liberty Bell, Philadelphia.
July 2, 2025
Korn Vitthayanukarun | Dreamstime
ID 197212814 © Korn Vitthayanukarun | Dreamstime.com
May 7, 2025

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