plastic working processes., Lecture notes of Material Engineering

Plastic working processes are manufacturing processes where metals are shaped permanently by applying forces beyond their elastic limit, but below their fracture point.ETC

Typology: Lecture notes

2024/2025

Available from 09/23/2025

Daniel.I.U
Daniel.I.U 🇳🇬

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PATIC |WORKING PROCESS &S Diasthen Wowk cag alo known as plate decors mation | B the process of shapen'g a tnacdesal by appr wor lar OM ocat_ oF ex} eon al f osces ov tS os both in guch a wa that” permanent changes Hw sha pe Of the motemetl: He is ed plastf ¢ working becausk he motesial odorgoas plaste discs mation re Uy degosms wit owt Breatirg ord Sees ) These ace gered Ftachal anes sag foe plaste woxKine mo jucdcA ‘ 9 e) . +# Rolling *« Evtruision + Re UA, te Bandline 7 ar) ‘S * Wise KAW ing heh Feaint que involves pak sono, the mates al 4 chance, US shape uhich FF Kequived th Mans Co duct ah | applications such as pr duchso i mete shects 4 Apes wicas and meds, Ths & ic axthi col post of Manu adiminng land olf ows sow Cxeathen © com plex shape @ { shuchown'g “het would ave they mse been ditt e dh pooe’ble en Loa dw | Coup- WORKIN G : Pastic dusormehsn clone balsw the sacrystalliraat oe Pr . feinjtel 2ahon 4 ny : =e hallizetuso emp A lowes use Moab and hiahe to alleys: se ~ * hey puse. metal 0.33 ‘Tem | ~ 4x alloy 5 —~ 0:5 Tr | Racrystatlirectets femperhice depends on! Dt duet on the nature Of metal alley » @) Armeun cold wrk the matedral w& scublacted de So) Struts ae “ J “ Drang Cel wer kirig precassaS the. Sfrcd hard pnin'c which ~ occurs as a sesul& of mechanical workin does aoG gar sel eased. lng ack as the mete S allay proresiwelu Ny . * sy fRg cwely get strain hae dened move ane Moc’ Force, cS sequised: to defocm the nf onal }. Agtex some Orme 5 the asecb of rain hardencnc | & not) semoved +t, for Che appli to redeosa ee | matesaL. Aontalicia an at J ot mOC23 « wee bo wemove hs eFf eck a Steam hax d \ Ad emma - | MeshRdo ° Compute she shraco haccleneng exp nents n for an “aly whteh +e trie Sfress of AIS mp4 poder La 2 Shar °F O | | Advantages | y ), Due +p (Nerecse | drucch (I Ay at Nig hex Ftemp 1 prauchio | = complex shapes ave posscbe co hate dewrlce ng 2 There ave No ces ned Got eral oR esse et ») Wr snest x meteows veduss ot hagh fom porate re> | Dis advantages of Hhe{ = Wor Keng DO nde, f Tran whhg of Go Surges mefcc/ fakes Ld lacas ye ts) Shuwfey Avo) lee daint Dangly sugace oxidchso = All ng hst-uscK oy + a | cold -raodued—* cold wat keel mafncet—volling > CALCULATIONS UNDER COLO- USRKineg - be cold usvk = Ao —Ag X% [00 Avec | whee A» = Oxigeral cross Section al area g*™ makel As = pinelé cns-setho.nal arte ote Kocmation, J OR - 9 Te Wk wrt = ~ Ty x 16d te whew be = original thutkness the roel) a b= ginal 4Mletness of Fhe metal’ Lyample A + [Qn tatekK Cy plate ie cold secliced to Samm Fs lates further vedueed fp |-Gmm debkemine re total pescerl catd-worked ef fit Gm plete « | Sohcties ’ | % (w= be = ty x «oo r_ - I j > W= (Oram = |kGew, KEG | [ Omm 7 . ‘Seon Path = fe O«20 => X- B.00mm AS ne O<20x = wae OX a. Be oo 3.00 = AR - OR2OW 300 = 0:80 3D 180% os 2? 80 ———— 36 7 SOON: _ Total Ts CWe 32°75 - 2-00 ~~ lod 375 He OW = AGG Te. Catd Works a cald_ rolling on ia pevtascns J Sas ee) cep dir feat cI oy el fom, WoRKINg, es PROUEESSES lot Wing ) Hot n i Wockerg atieugoar , Het! Rao 5. to s . | . CSS LE et deaminey mT ee. () LURE wee : ( a simple Pr uss stor og nels ade. of | Teel ox NOM Feros mocks and oll ey s da qualed Heoegh conical ‘dies hanag a hole toe ‘ conte + The in cluded angle a tte cone & Kept bay — eo. | e- B4o 24°: He the medenal 6 pulled tervueyh the: cnn, ib und aq ots laste. Se be wmethwr anak tt grachall ued ecyoxs o seducchen ‘to de deanetesr At the same AM, “oe \enoth i& eceeeeeel Pr prsronatel y «os jp Re Atggrae | RLAD> UP: 5 Lis 4) Mice drain reCess! Te owchah als otk ' = Tung tan CAs prole Psdiciine tik = Raby | 29 onthe th = 2208). At ley tee )_ Uy fennel 2-91. BWW Gee MR. Ry et Te pros ni saat is most ee raed fre the manifac = soud x holla s ns AEN Feros | mrotacks ana allows: a4 AL, ALM aSays Macsnas LXer and “Us alloys topper’, brass - tow eve " Some stools proclucts ace also made by ZyChrus com> Baetstt \ Dies ove sthedvely gash -o orduce | 2) The cng ional a pel uhich can be produced by extusie'n process Us verylarge ‘ 3) ba ray ba mate, hollow prduct thin - aiee tubes REG ase Rast Pro pee by sctruseen prronceaet B®) |b can |be done “het ov cold E ) Qeod Sus face 20s h bard oxeclleat. limenseén al ane Opa rnrtcal ate MBS & TA hall fiiaxk.. Of extrudlisl Ss: This ask be Coriell, bu (line, prnchact | canna’ 2 2 silos , 6) H ws complied in one peas, wrong 2 - Die Contames Se | pS iw ii Peal Dole aes . ety Loma crea) oor rE | Metih fa Becetion TECAN Ques Es Se Le | rt a! | Sand De | Coy estoon tay Nel | | | : | Peeging | Blan Eehusisn Draw neg Coan hou haw ll | Ne AWN 19) Dep daming 4 ata - pla tie 4 alein Payris *Giog rmeharteg! ayers mos tH Witeh x Sime prize oe the unc piken, ot tnprecsecl p = woel& piace, is COMpressa behween +d Alés, usine ethey Copa load or hy draulic load . lo foregone) Ee moral or materals & usucly het - H can be used to prcuce autmebile Crank charts, connec ag rods. 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