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IX. THERMAL EXPANSIVITY OF SOLIDS

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I<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> ARALDITE N0.501<br />

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

Other References:<br />

Discussion:<br />

Temp.<br />

0<br />

K<br />

0<br />

20<br />

40<br />

60<br />

80<br />

100<br />

120<br />

140<br />

160<br />

180<br />

Caken<br />

Epoxy casting resin made by Ciba Co.<br />

40 g of the material was catalyzed with<br />

2 ml triethanolamine. Cured 8 hr. at<br />

120° C and then 24 hr. at 180° C.<br />

Table of Selected Values<br />

L293 - LT<br />

L293<br />

~<br />

LO61 x 10-5<br />

LO51 I1<br />

LO22<br />

983 I'<br />

935 'I<br />

880 I'<br />

819 I'<br />

751 I'<br />

676<br />

594 II<br />

irom NBS 29<br />

<strong>IX</strong>-R-1.1<br />

Temp<br />

0<br />

K<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

2 80<br />

2 93<br />

300<br />

L293 - LT<br />

L293<br />

505 x 10-5<br />

410 I'<br />

308 'I<br />

199 II<br />

122<br />

81 'I<br />

0<br />

-46 I'

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