What does metals for ordnance mean?
Definitions for metals for ordnance
met·al·s for ord·nance
This dictionary definitions page includes all the possible meanings, example usage and translations of the word metals for ordnance.
Military Dictionary and Gazetteer
metals for ordnance
The only metals ordinarily used for cannon are cast and wrought iron, steel, and an alloy of copper and tin, or a combination of these metals. Cannon metals should be able to resist the corroding action of the atmosphere, the heat and the products of combustion of the powder; should be susceptible of being easily bored and turned, and should not be too costly. The qualities necessary in cannon metals are strength to resist the explosion of the charge, weight to overcome severe recoil, and hardness to endure the bounding of the projectile along the bore. The shape of the bore would otherwise be rapidly altered by the action of the projectile. This quality is particularly necessary in rifled cannon. The term strength as applied to cannon metal is not confined to tensile strength alone, but embraces also elasticity, ductility, and crystalline structure, which affect its power to resist the enormous and oft-repeated force of gunpowder. (See Ordnance, Strains upon.) Each discharge of a cannon, however small, impairs its strength, and repeated a sufficient number of times, will burst it; this arises from the fact that the feeblest strains produce a permanent elongation or compression of iron; this is technically known as the permanent set, and the same is probably true of all other metals. The property of ductility is of importance in enabling a metal to resist rupture after it has passed its elastic limit. The size and arrangement of the crystals of a metal have an important influence in its strength to resist a particular force. A metal will be strongest when its crystals are small, and the principal faces parallel to the straining force, if it be one of extension, and perpendicular to it, if it be one of compression. The size of the crystals of a particular metal depends on the rate of cooling; the most rapid cooling giving the smallest crystals.
Numerology
Chaldean Numerology
The numerical value of metals for ordnance in Chaldean Numerology is: 6
Pythagorean Numerology
The numerical value of metals for ordnance in Pythagorean Numerology is: 3
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"metals for ordnance." Definitions.net. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.definitions.net/definition/metals+for+ordnance>.
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