ZERODUR® - Mark Optics Inc.
ZERODUR® - Mark Optics Inc.
ZERODUR® - Mark Optics Inc.
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Thermal Shock Resistance<br />
Bonded samples were submerged in liquid nitrogen for nearly<br />
3 minutes. In all cases, there was no significant change in measured<br />
bond strength after thermal schock.<br />
Flexure Strength (MPa)<br />
70<br />
60<br />
50<br />
40<br />
30<br />
20<br />
10<br />
0<br />
52 50 32 40 24<br />
Polished<br />
RT Cure<br />
Polished<br />
RT Cure<br />
Polished<br />
Std. Cure<br />
Polished<br />
Std. Cure<br />
Low Thermal Expansion<br />
Ground<br />
RT Cure<br />
Not Thermally Shocked<br />
N2 Thermally<br />
20 35 31<br />
Ground<br />
RT Cure<br />
Ground<br />
Std. Cure<br />
Ground<br />
Std. Cure<br />
Bonded ZERODUR ® components exhibit CTE performance<br />
(RT-300 ºC) commensurate to monolithic ZERODUR ® for bonding<br />
perpendicular to bonding axis.<br />
Average CTE from 0–50°C<br />
0<br />
–10<br />
–20<br />
–30<br />
–40<br />
–50<br />
–60<br />
Cure Temperature<br />
CTE Rod #2<br />
CTE Rod #1<br />
20 40 60 80 100 120 140
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