Download Plastics and ealstomer engineering materials notes and more Study notes Engineering in PDF only on Docsity!
LL x Caleulotr Dens ity uscight £ Composshon:. af an Alloy = An alloy LS. eam pégecl 0 £ fo, ‘ Nickel CNi) &~ 207 capper (cul be, ‘Welht- Calculate the elensity of the alloy oes on. that the density of Ni is £9 9 fern land the clensity of Cuss §:96 “9 Lean Volume: lve | [CJ Vwi = %9 = 8 -ISEE 7 Veu = 20 = 2-232! gigs C) Total Volume :- 7 a Vi tVeu = B 95S S¢2:-32/ = 11-2209 “- Tottd Volume = 1/2209 ()_ Tofal Density :- (Density)C = Total Mas Toft Volume y | C scanned with OKEN Scanner F= jee = 89119 [{;2209 Tr 5 f [CHE gzg/M | Z Ex:2-| An alloy consists of 7o‘/: coy Boy, Zine (Zn) by = Weight - a Density _x of Cuz §-96 Sl cmi OD umsity of Zn= =T- Legh Cale late the. clensity of fhe alloy Be" 1) Volume: - Vew= 79 = 7-$/25 BIE ; Veen = SO = Y: 20/7 TH eS (1) Tot Volume :- eu TV zm = 12-0142 (@)_ Totat Dumsity-- Pe /00 = 83235 9 Jem 12:0/42 a7 C scanned with OKEN Scanner 4 | o =) ret has moleculas mass re YF Of the omolec alow foxemul a of ee Fy. Detremnine the qolymeni gation. Tp Pl Oe Fyne 12X24 /9x4 C2 Fy =/e°0 |_cleowee . AN Moleulax weight of Gk, (mono met) = 192 G/™ D:-P= [20000 [oo ID Pee ee Jemsile St ength ‘ Naam? .—> N/m? (Pa) 3 X]o® (MPA) N/m" Pa) > N]-mm® (MPa) >xfo> Formu!¢ :- sekbddandaaagtdaalel | Tensile stess = Fouee | Cuoss-sectomap Awe | C scanned with OKEN Scanner LL 2 eae ~ +4 Dolumex fiber with _a_CHoss - secfHional ~ pace of Somnra™ s_ subjected to a fore of > +~ZS_N before failuse : Hind tensile stress st the Point of fallime : a = si 4 wl fexce = ;9o5N a 7 Coss Sectional axea = Samm —=—\— mt Tensile stress = Foxce = . — Caoss- sechonal areg = — - =— Lensile sttess = 485° N = SNM 2 = = = 25 N/mm” = = 2S Mpa a The Polymer Sample with cuoss- sectional [ axea om? Lt witths Panis A2_MaAxianum [ tensile foxce of Foon, be four 4acaking - f Caleulate the tensile stiemgth of Poly-mixs - [ S21 Cross sechomot aquea = lem?’ r Pouce = Soon L Tensile etmess = gog N L [ome L < FoON/m*> L = €° Pa + OKO R WTO HI VW UY UW C scanned with OKEN Scanner i AAAS LC) Total anoles - = 10743 + 3-3306 = 4-4 ol =4:4O4 9 mo]. INK 1) Caltulak atoonic uccentaq « Abmic [= Moles of element y joo Totet amol th: Fe = 1°793 x joo 44049 = eed Pe df Cf. = 3'33°6 y joo A449 at [cy.= 15-614 ork ArreRenrer eran hadanadaanadanh C scanned with OKEN Scanner ya br ae)? re * Cakulation of Wight of Components [n tom Allow - An allow sample wicighs ERA) a consis 7s of 60: HON) (Fe) Zo. 1. chtomium CG ey ar nicked (Ni) by weight * Calewlate the weights oft cath. cotnponent m_the alloy . OQ) Convert Qeicentages to mass frachons : - Mass fraction of Ee = 6o0'/. = O- 60 - Mass SES of CH= 5 OY ane 7 Mass fraction of Ni =e BOR = mre PO Lalalote ure/ ohts of each Componemtt: Given total macs of a ee -Weight of Fe = Mass fuachon x Totel mass of a alloy . =O 610: X. G:0.0 hlce = G009 LE Weight of Cx = Ofox500 Wen = [509 im bleght of Niz= O:(0 xX 509 ROR a! 4 C scanned with OKEN Scanner ¢€ [ef loa (TEE)
[-¢h- Ce t CxoC * C TW < Teta uonetnene 7 1 H 7 Tefen { C ‘Scanned with OKEN Scanner ff | + PMMA (Polumethylmethacuulate) | \ | _/ 7 TS | | p | | n Cho= Sa | CH, -— C i it cee O- C-CH, O— C-CHs! vy a un | O C ‘Scanned with OKEN Scanner