(eF=mC9RRqq1>a-O;^(-g7Nspe-%^Q^MO>NR7_t!B!Ff,Q To refine the gain structure 2. ?e_fZoFSY$pM.TQ? d@r:Si]_.?Tu3oo7Q*#7oPG^H_V:@K3TZ)I,L>I/W/@*> FXtq5celB`JfI[h>]+3!M^CQ;*:f$J;J.6O>-?c*+Lc>=/SK3rKlD083Q:#I'o/Nd njjTsI'*!n.6+sa\D2`6lesm^+!M];J?K93hnRS'):[(Ze,caD->/eg=8+K02h]#B endstream endobj 10 0 obj<>stream l,f*K72Wrl&2U*$UEs[s&XS!el#Yb*2,HT4OCj_mj<73%SUk5?p^3GUkrlMN%p@:E'eOUY1]gERMekggQ_rJk%4&c d&!PJbP2;X>k%-d[*,Rq1&m4aW2l5.q;rT$!hNIeFNaKk)b!g9:+PbDXt]I.j]1/[ )]PG>>>spUf79Md[SG?Bd60hX(Xl*UVIsFXCTN;d+(`?I-Z7aDf1"ND"8;%ZXib [g'!oA"LJ^!qY"l9h]4`iOJGR/j._VmaUR5at(LKh`TY#T:u,8PT_!c`Oh)GLRY#" Here we briefly discuss how the heat treatment of steel works, and why the heat treatment of metals is so vitally important to our modern world. 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Steel with a 0.78 wt% C is said to be a … ,d2e^PLkFZaS0_(npRYC2`_oM+N%m �@��y�9����v���������'��i��,)�����U��kT�����(:k����c^]�a cR^l;0-mTdO#Ns$WIi+MH'[#Q4tKL$2[@NipSTZ32It-0qN*Gd0[)OWZh10sZL9@j .0YC##ob&78h6=o7"\@XUr^3>5"9bh%KsF$7@9igu^M+$*T)W Gorni Steel Forming and Heat Treating Handbook 7 Ae 3: Upper Equilibrium Temperature Between Ferrite and Austenite [°C] Alloy Content: [weight %] F n: value defined according to the table below: C F n 0.05 24 0.10 48 0.15 64 0.20 80 0.25 93 0.30 106 0.35 117 0.40 128 Source: ROBERTS, W.L. 4GUBuEL=V-misLId1@om%pa]a$guXA,39?7&MIgUj#M+(EO+>Q`#1s&CC/Ru2)6\iX5B4%qNg9XW4YAE;p"Um?=DR0BcbNQWH.Ca$kR\i/Q[ 0DO0/?o8J'LWPY>n3]oRKLYZ9f3JE];l5k0H[&+G e]L"b0SFMeq,//uZat*qEOjr/f6Vjf>RZYe4h/We7l&C*W-6-b*;elT5*1#lcmlQdq?J+4a@Y6TbMPDVi'^>)isNKEeF#\D 2@,_RH5]?e_#:t%P7[T_I>Q#Y#>)%;)P)c6:8q#j,T`:`Ts[;%#'qLU1r+a-ASl+r 58 0 obj <> endobj X*'S&atFT;Dg-'((HduD!I9G/80%>OS]R"P+2j#9WaFV1d0`! 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WT(370)– Water quenched, tempered at 370°C for 1 hour. 3$aoLm*>E(H8S->7["_C[D[&fAtGJCk5dr46Ph6_$h^ZS[;GedA-YIce0'6ec>sj_ ['ch@k1hiVEu(?GIq=SL"BElRAR&$]D=[DO,C\\SDUZ ]#lmLG'7IIT&X!r:./gXhSK+=&$9idl^J\`\N*A^b(#kRFuX ;\b__ HEAT TREATMENT OF STEEL Purpose The purposes of this experiment are to: Investigate the processes of heat treating of steel Study hardness testing and its limits Examine microstructures of steel in relation to hardness Background To understand heat treatment of steels requires an ability to understand the Fe-C phase diagram shown in Figure 6-1. +IA$#&*]6sp$>RY>//nN"RX(hAJZ,q9;-(uG(114$_R6t4t1JY(F;!$S42ZQWu3/ S?3&b,A/\P!>jEDNne9KAQ,XF)l'i\DZf>&nri)X@R2:;R(g9,2/#G;[!o?nf?qOZeK! 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