EGN 3365 Study Guide - Quiz Guide: Cubic Crystal System, Complete Lattice, Alloy

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EGN 3365 and EMA 3706: Structure and Properties of Materials

University of Central Florida

Quiz No. 1 Summer 2018 May 31, 2018

Name:

Fill i the laks to oplete the setees. Eah lak is oth 1 poits total 15

poits.

(1) Ioi Bodig ous etee positie ad egatie haged ios ad euies

eleto tasfe.

(2) Thee types of piay od i solids ae ioi, etalli ad oalet ods

(3) Fo ody eteed ui stutue, atos touh eah othe alog ue diagoals;

hile, fo fae eteed ui stutue, atos touh eah othe alog fae

diagoals.

(4) Fo oystallie ateials, atos hae o-peiodi pakig.

(5) Uit ell is the sallest epetitie olue hih otais the oplete lattie

patte of a ystal.

(6) Both FCC ad HCP ystal stutues ay e geeated y the stakig of lose-

paked plaes of atos o top of oe aothe.

(7) I a sustitutioal alloy the atos of oe etal eplae host atos i the ystal

lattie.

(8) Diffatio gatigs ust hae spaigs opaale to the aelegth of

diffated adiatio, ad spaig is the distae etee paallel plaes of atos.

(9) Bagg’s La: n



= 2d sin



, hee n is a itege,  is the aelegth of the X-

adiatio, d is the iteplaa spaig i the ystallie ateial ad

 is the diffatio agle.

(10) Fo ui ystals, as alues of the plaa idies h, k, ad l deeases, the

distae etee adjaet ad paallel plaes i.e., iteplaa spaig ill e

ieased.

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EGN 3365 Study Guide - Quiz Guide: Cubic Crystal System, Complete Lattice, Alloy

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