18.05.2013 Views

IX. THERMAL EXPANSIVITY OF SOLIDS

IX. THERMAL EXPANSIVITY OF SOLIDS

IX. THERMAL EXPANSIVITY OF SOLIDS

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> PLEXIGLAS<br />

Sources of Data: Data from Laquer and Head 1952. (In<br />

addition to the substances listed in<br />

the table, data have been given for 16<br />

specially compounded rubbers by Dunsmoor<br />

et al. 1958 and Trepus et al. 1959. These<br />

data consist mainly of values of (L -L )<br />

293 78<br />

L293<br />

Other References: Wood, Bekkedahl and Peters 1939,<br />

Discussion:<br />

Polymethylmethacrylate made by Rohm and<br />

Haas Co. Data from Giauque, Geballe,<br />

Lyon and Fritz 1952.<br />

Table of Selected Values<br />

I<br />

Temp.<br />

0<br />

K<br />

-<br />

0<br />

20<br />

40<br />

60<br />

80<br />

100<br />

120<br />

140<br />

160<br />

L293 - LT<br />

L293<br />

1210 I'<br />

1160 'I<br />

1110 I'<br />

LO50 'I<br />

180<br />

Taken from NBS 29<br />

<strong>IX</strong>-K-5.1<br />

Temp.<br />

0<br />

K<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

28 0<br />

293<br />

298<br />

300<br />

L293 - LT<br />

590<br />

L293<br />

490 I'<br />

-55 I'

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!