The atomic packing factor [A.P.F]:
It can be defined as the ratio between the volume of the basic atoms of the unit cell (which represent the volume of all atoms in one unit cell ) to the volume of the unit cell it self.
For cubic crystals, there is one constant to be quoted. The unit cell
constant of pure metal crystals can be directly related to the atomic
diameter of the element as below:-
1. Body-centered-cubic (BCC)
In the body centered cubic the length of the cube diagonal = 2 D ,
as shown in figure 10, and by Pythagoras :The atomic packing factor [A.P.F]:
It can be defined as the ratio between the volume of the basic atoms of the unit cell (which represent the volume of all atoms in one unit cell ) to the volume of the unit cell it self.
For cubic crystals, there is one constant to be quoted. The unit cell
constant of pure metal crystals can be directly related to the atomic
diameter of the element as below:-
1. Body-centered-cubic (BCC)
In the body centered cubic the length of the cube diagonal = 2 D ,
as shown in figure 10, and by Pythagoras :
المادة المعروضة اعلاه هي مدخل الى المحاضرة المرفوعة بواسطة استاذ(ة) المادة . وقد تبدو لك غير متكاملة . حيث يضع استاذ المادة في بعض الاحيان فقط الجزء الاول من المحاضرة من اجل الاطلاع على ما ستقوم بتحميله لاحقا . في نظام التعليم الالكتروني نوفر هذه الخدمة لكي نبقيك على اطلاع حول محتوى الملف الذي ستقوم بتحميله .
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