Materials_Test4 - 1. (10 points) Answer the following in...

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Unformatted text preview: 1. (10 points) Answer the following in 1-2 sentences. a. Give one difference between a-ferrite and 5-ferrite. 0\- \€.f('\\e.. 'I";:) I'f"\O('~ 0\a.\:)\~ a\ \o\.0't.r \t'N\"\)t('(j\\JH I.;> \,,0.(\ 6 - ~~('\\ t . / b. Give one difference between spheroidite and martensite. ~'n~('o\0.'\k \-;:) ~\('(\e.d \{"O~ ~\nu yeu.('\,\-~ (1)1' ~"i\-~ \0 v..)\\e.v-e. f\"'I()('\trI~\\{" \:> \ol'«\t-d di.tc.1\y ~('om QlJ~\ iY"'li\-e.. / c. Martensite is initially in a form that cannot be used. How do engineers enhance the properties of martensite in order to make it usable? rfl0('\.e.{'\~\\e.. \~ \)~\d. 0.\ o.n e1tvc..\~ km,?erc..\v~e... C\:)e.\Ot0 \\-.t e.\)k~\o,d \c.~lrc-.\u("'e) \19r CArl €'.'J.\tf'loe.O ?~C',od or;,. \-\'<Y'l..m \'('('\cycove du~\~\;\y. >~ i-:, ~a.\\~-\-t'<'l'l~-tr\(\~ d. In the formation of pearlite, decreasing isothermal hold temperatures results in finer layered micro-structures. Why? / T'r-e. V{"()(.e:>~ cl \o.~\c\.'y e..oo\~Y1:J ~"'E:... a\,)~\t"\\\t. o.o..un \e> \\\t- '0o\d \t'<'(\~e.ro.\v(i' ooe~ 'C"\o\- a\\Q~ \Of O\~c...¥'\ d~\\\J~\()'" '. ~f... \awe, \"'t 'r\~\d-\-t.~~\u("(.) \'ne. \e~~-+''n'\~ \e>f" o\\\v~\Ctr\ ot)d 0" \\U~\CI~ Oit..\a\e. ':J ~'\\~ \'n~~f\es~ O~-\\-\€. \ o.\"{\e \ ~a.t \o.ytr:. \~-\~:-- '\=>E?J)r- Y\.( e. Most cross-lInked polymers are thermosettmg polymers. Explain why....
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This note was uploaded on 10/24/2009 for the course ENGR 2000 taught by Professor Goeser during the Fall '08 term at Armstrong State University.

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Materials_Test4 - 1. (10 points) Answer the following in...

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