Engineering Materials
Inconel contains

80% nickel and 20% chromium
80% nickel, 14% chromium and 6% iron
68% nickel, 29% copper and 3% other constituents
65% nickel, 15% chromium and 20% iron

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Engineering Materials
The unit cells

All of these
Have the same orientation and their similar faces are parallel
May be defined as the smallest parallelepiped which could be transposed in three coordinate directions to build up the space lattice
Contain the smallest number of atoms which when taken together have all the properties of the crystals of the particular metal

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