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Material Science Handwritten notes, Study notes of Material Science and Technology

Topics covered in the notes are crystal structures, crystallographic directions, Material properties, Phase diagrams and Heat treatment.

Typology: Study notes

2020/2021

Available from 01/13/2022

pavankumarreddymittapalli
pavankumarreddymittapalli 🇮🇳

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Brace lathice i bk a nares infinite arrang ment a4 lattia. points. abc = latkice af, v = inter facial % ° Note: Max no: Unit coh Vasu atoles sug to dofine a unit GL ik 6 , ial number of lattice sy etm =4. bani | pAienesy lattice syslims = 7 a) Cubic System. LA azb-c | aa Par = 90 No-ay vO Todependlent vosiable veg to Acfine. tra ayia Ie (2) Taiclinic Sy Maro « hes n=6 Rt pe PaO Conplex ‘ype 4 (atti Co, AysGin . ) Tenaya cy (Rte Bus), we f . Qeb + LS ee! nil F ae i ER (a,c) 1) N= aq. atric : iro. =| oa ‘ a tate fo 2) Re ) exe t+ i = [tt = 2 abu 3) el (age) as 4 ) N= 846 Aly, todtin pork Se: »). n= rt axé } ey ee « Ih eB py lee Meee 2a emia area ) AR = 24 x) = Foe: . Beis te oe ae Bond. angi ee ee AR = Ba 5) Aer = ave tre? 2 Os TA? ; QS © fe 18 ae ee ee oo 4). CoftclinaHsy numba = 1Q . — Pon F & : Ni, AL Cu, Au, Ag. roe ‘ ‘ A at . Vrtiycy . . (Fae, conse Tenet. Ex! Olamond, Si Si, Germanium (Ge) a a) U | 4) ly) ty 4 y- Zz ' i Nog ator tn a db vecki length 4 CNN Or Os ib) Dekeunine Lines Dew in 0) [100] fio) and [in ~ an ote) sien (i,t0} , “rue Lb ile 2a) nee 2 4 wa & A 4 } ; “singe el C ae dices < OF nogats inte * ion ae a t locate omg i) ane XY d nis 4ntro {0 Planay Density. hs > No of ator H plona planex density ha mel | ( pa 7D ] = a ; 7 ; VY, | YQ) ‘}. @ Inter planar Spacing: @). 4 the distance blw two || atomic planus. ; a = =! i y hk (Cs ere Qity aan pts diffraction mathhod ( erage law’). % odsine = NA. ay sa ee Ay jntesplanos. (Brag'« a) ; 1h) init Sona yore: Cade is inbinste A tact any v eine a ae pea dt Vv ae t efect POISSING Point Ae fects ane formed he cause 4 (ae olor, Sntrinséc Aekeck 2 Extlmeic de feck , . - Change ww top - Adding, f iy ypasibies Vacancy defect : (misKing) } substitititnal de feck coe id rReA ™ Ry. Frenkel de efeck (micplacing) | | SUA Propeaticn Change , pike Ky Mp de Xr Cry steel Cowotion rete MA Tnkeast tal defeck: | ‘ | q Adding i Schotiky defect Couigeing 9 patr eed tro punilies [ ‘ 4 tea Fig oe ne . | ak intestitial p j @ @OGS! : 5 Ler 5 , otha ‘ bo @9 @2 @2Q0@ sgt cee | A Charyes: Maiotaing eledsrical neutrality. ' p , Edge dislocatton cerew dislocatton ) Dicloeaed atoms Move fp pF abr mow to ) Dislocated es: | & F ) re Sly translakory director 2) drat ak tranclato Aire cen, Wtion | ) (@v) we. Js Giiaint 4 ie b DL. elo Be. yee (2 -Dimunviional defects )- Grain Boundary defect. de MO» blu ..400., autos and hence, tao chagy BL oferce 42 bagpreof 0 breaks trent. hane high nngy ard mba active a raedicums, fowna 0% ———————e 7 5 Ay grain Boundaraes , tie, bond length “, mst, > —2Bond i. (xo 9 Groin Binderies Ge Torakions. UL Pont BD, oe i \. Finw grain mocertal 2 Coane quai abexial 5 7 CE) meget a + (nore j 5 len Uy oN i _ Soundonis 9 Fast cooling. 3 Slow coding . — 3 Ab nti Wimp (a2) Htigh Sheng 5 Ab RT Coxe) 9 low atve 4 hie huge rnp 2 low 7 5 Ae 4 tbh (io?) (Noy sp Slip We w Structure | No.6 ok, on m4 Ducelity ok No.6 slips BCC ag. Note Eee metals are mow dusty than &cc maka, onen. eco mukdls howe lus KOOL slips’ , becaue meee nee hon mou active edi en 7 + cp mtkal, ore Warltte fo nadawe because veg ow + ada Basitdhinge Effect. ot) E Cv) € tye) 4 poli ri g Hardman ae. “nereoud bey g diclocation rrvfion, Shain Yaidened rraketal arte Our accumulation 1 dislocations, a > lawo qe nelasionehip ; Ty Ge ee oz ot ET ae OF Srey Stren. € = wuz strarp 5 \ K= Contant for a material Mh: skrain Hardening ueponente OAM 21 At neeing) + o, 2 Kee ae o = KE) 20 n TT = KM) tep 10S Bee 0625 Fee | 6 OS Ducklely SF Bi, Oe alte 4. mmakerial thot dijevow plastically upto ft a gotnt by applying fen dc. duct Beige) 7 increae On eee a eee "of a Bot, ° YJ. Decrean iN ee Areq < ATA ino { 1 wits eee) Hao ies en ro fav a Balto mnokental fol x1 Cort frory makeoiol 4 © ) Toughn of erate ved ee timpa Tov S| — a) tyod Tek tb) charpy be Spedmon Gntileve. eam 6 Simply Sup G-whr Ee, 2 0h, : - 3 ha D tk HS Mons A Cam - Tk w more acuuat, me because hone Mpedininy zs wniftur dickibutton 4 toad | No The nnon of a ductile mokeriok a © by aun method, toughnen twils 6 by finpa 07 ee. aaa vu he ability a roakentod t0 anna upto Ow elastic amit . i - Ona F Pe T u measured , by Considering he Hg a yee upho the uastic hand. ei Se te the ability 9 retkertal ; | motkeriol thak ean vex @) indurbotion GC) Penetration Me 4 te material, Hardnon i a Sur face pepets, tha ability of material tak Can nonst Sheng b a volumetric Pmpoty af Ga | Hardnen strength C sign NN: de indentation dionetet- [ 2.| 1 | Hafenobainteeul ate) aie 2 oa | to(o-{ 0-2") Vicken's ttardnems Test: : Thu roth u applicaide for vous high Waal materi & Sic ANC, Cubbie Povon Nitride , ay HCs | = Andante tool: ~~ pysarcid tape diamard tol | hg Og OS 4ndontokisn dit Dawg = Oe ie