263page

2. 순 Pb의 조직
263page

1. Pb의 특징
263page

2. 순 Pb의 조직
263page

1. Pb의 특징
263page

제 6 절 Pb와 Pb 합금
263page

2. 순 Pb의 조직
263page

1. Pb의 특징
263page

제 6 절 Pb와 Pb 합금
263page

= -1e6cql^.] ctsx-]4+ TEM=zl, =olr+ ^116tr Pbel- Pb-st= 251 (e)E xdsl€ BCC+=, (f)= xdgl€ HCP+ 416trPbelPb l=. t=E 1. Pbel =d pb= -&Bol *r 7|+ol fe.l^] elg+El qlfiz} rl*"]| g !l+ +E a}'Iol4. pb*4 o-tr= 86.60/o9 pb= EL++ ,J€*(pbs)ol 91trI. tsg El]+E B+g-tr- ^I* qq, dE^Jol aa Sdol *gq, 4lrlCol ifal-2, ,J^Ide-l F4s.zI *o| EJ^I d ilql*g-tr ^I+€+. rf,E Pb= 99.99o/o4 hlg 6J+6Iq, EllEl4, ElqI^J^1, olq +4 Fq ol+€4. (s 10-e). Pbel 844 Ceg +r}t 4o14. E 10-9 Pbel =al4 dtr 2. + PbE E4 f pug €+ ++str^] 4l+ atq + ^lqq, aldol +4+= +84=49 B + 914. trB ro-totl9 =C3 Pb ee.eo/otr- Et +Bg f, Puol :-l. +4, zl44EI+ =4 o -E lamellart %Ieg '/*= 4EAl=4o1'1. +4 e rl+ etg ^I*6IH4. El=(22'C) oxl (5E HIEtr "J8Zl+ (17-400"C) HIE 11.34(99.9%) 325.6"C(99.9olo) 1,725'c 29.3 x 10-6/'c 0.035ca1/g EEEE(O"C) d 7lH l^1-d(20'C) (340'c) ?E4l+(20-40'C) 0.083ca1/cm 20.648uO 97.867uO sec 'C 'cm 'cm 3.36 x 10-3/'c ral 10 _ 101 + pb 6rl (xt00) lr t-