Quiz6Sp02 - IS ENSC 3313, Spring 2002 Answer any 4...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
IS ENSC 3313, Spring 2002 Quiz 6 Name Answer any 4 Questions only,l point each In the plutonium-uranium system, state the composition of a) the first solid formed, b) the last remaining ~ b) Drawing a temperature horizontal at the solidus, we get the last liquid of composition -41 w/o U . ~ 200"- -. -- 100 - II ~. '.Ii ZO 30 ~u ~O 60 70 ao 90 W.l'Jhl P-.contogo Uranium - -.:a. . r" P\I 8;. In the Pu-U system, state 2 alloy compositions (w/o) containing 90% of the ~ phase at equilibrium at 500°C. At 500°C, we have 100% <:;; at 50 w/o U, 0% at ~ 38 w/o U. --by interpolation, we have 90% <:;; at ~ ~ w/o U ill§Q; we have 100% <:;; at ~ 72 w/o U, 0% at ~ 87 w/o U. --by interpolation, we have 90% <:;; at ~ ill w/o U. In the Pu-U system, when the last remaining j3-U transforms on cooling, state the identities and the compositions of the transformation products. 3. At 560°C, J3-U -+ ~ + a. -U The composition of the ~ phase is -74 w/o U; at the a-U is -86 w/o U. liquid, when a 60 w/o uranium alloy is cooled slowly from the melt.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

Quiz6Sp02 - IS ENSC 3313, Spring 2002 Answer any 4...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online