Saturday, April 11, 2009

~Chapter 4 plak daa...~

ok..entry yang ni plak..cte psl chpter 4..iaitu..passivity..
heeee....
apekah itu passivity...passivity ni sbnrnye..condition dimane corrosion tak leh berlaku..
sbb pe?haa...sbb ade nye formation of thin layer yang protect metal tu dr trus corrode..
ble passive films tu start to form..corrosion akn decrease..tp if mechanically disturbed,
corrosion akn brlaku dgn cepat...:) paham tak ank2 murid....sowi ye..cikgu tak bertauliah ni...

yang chpter 4 ni korg byk kene study graf yang ade kt buku text tu..
tgk sume graf2 yang die bg..cntohnye yang psl evaluation of 4 alloys kt 3 conditions tu..
yang die bg alloy a,b,c, ngn d..yang tu korg tgk la kt reducing condition,alloy mane yang
bagus..n sbb pe die bagus..yg aku ingat..kt condition no.1 tu..alloy a n b yang recommended
sbb a n b tu corr rate die rndah dkt active condition walopun tanpa oxidizer


hmmmm....aiyaaaa...kwn2..sori..tak mmpu da nk story mory psl corrosion nih..
pale da jammed....nnt kalo jmpe face to face bley la kot..sowi ek...
yang penting..utk chpter 4 ni..perhatikn n phmkn graf die...mybe mdm leh kuakn soalan
relate ngan graf..
all the best my frenz....:)

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