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[Ư] Ư (Ư 202310583)
ۼ Ư [] ۼ 2024.10.31 ȸ 488
÷ 202310583.pdf  

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߸ ߸ ƴѴٴ () , ޾Ƶ ƴ


ǰ ûⰢ

1. ߸ PMMA ݸ ּ߸ ߸ 1 Ǹ ̼̰, ߸ PMMA г ܺ Ͽ PMMA µ ߸ 1 ׷ õǾ ʴ. ׷ ߸ 2 ׵θ ũ ġϿ к԰ ÿ ̰ ϰ ̷Ե ϴ õǾ ִ. ‘ũ’ ũ Ǵ ũƮ ڿ Īϴ ǰ о߿ ‘ ũ’ PMMA Ųٴ Ŀ شϴ¹, ߸ PMMA ߸ 2 ũ . PMMA г Ͽ ϸ ϱ ܸ ϴ ͵ ڿ Ϲ ̴. ڴ ߸ 1 ߸ 2 Ͽ غ ִ.

2. ߸ ‘1 ũ 鿡 ƿ ʸ ’̶ ƯǾ ִ ݸ, ߸ 1 ü Ǿ ʴ. ׷ ׵θ þ߸ ʰ ϱ Ͽ ̸ ̴ ؾ Ѵٴ ڿ 翬ϴ. ߸ ߿ Ǹŵǰ ִ ǰμ 翡 Ͽ ǰ õ޾Ҵٴ ι, ڰ , ݺ ǰ ϴ Ϳ ִٰ . ߸ β 1 Ϳ , Ӱ ǰ ִٰ .

3. ߸ 6~20ð ϴ ܰ踦 , ߸ 1 ׷ õǾ ʴ. ׷ (, curing) µ ð ġϿ Ÿ Ű ι, ð Ͽ Ű Ŀ شϰ, ׶ Ű ϴ ͵ θ ˷ Ϲ Ǵ ʿ Ұϴ. ߸ ǰ ǿ¿ 20 50%, 24ð 90%, 72ð 100% ̸ Ǵ¹, ߸ ð ǰ Ư ݿϿ ˸ Ϳ Ұϰ ġ ƿ ̰ų ȿ ̰ Ÿٰ ڷᰡ .

4. ߸ 12~13N/ 40ʾ 2ȸ ϳ, ߸ 1 õǾ ʴ. ܴϰ ϱ Ͽ ļյ ʴ ǵ з պθ ð ϴ Ϳ Ư ǰ ִٰ , ڴ , ݺ з¹ й ִ. ׷ ߸ 12~13N/ ȯϸ 1.224~1.326kgf/ Ǵ 0.00174~0.00189psiι, ̴ 簡 õϴ 15psi ġ . ڴ Ŀ Ͽ з ä ̰, 40ʾ 80 з ϴ Ͱ  ȿ ̰ ߻ϴ Ȯ ִ 糪 ٰŵ ( Ǻ ް “120~130N/” ߸ ̶ Ͽ, ο ġ Ȯ ǹ̰ ׷ ġ Ӱ ǰ ִٰ ٰŵ ).

5. ߸ 1 ߸ 2 ϴ ϴٰ . ‘߸ 1 1, 2 ǶƮο ƿ, Ǹ, ġ Ƿ ߸ 2 ׵θ ϰ Ǵ Ѵ’ Ѵ. ׷ ߸ 1 1 ǶƮ ƿ ̼Һƿ Ϲ Ǵ ̰, ݵ ƿ Ѵٴ . 2 ǶƮε ġ ƴ϶ ϰų ణ Ź Ǹ , ׵θ Ѵٰ . ߸ 2 ڿ ߸ 1 Ǹ ϰ Ǹ PMMA ġȯϴ õ ⵵ ִ.

6. ߸ Ǿ Ư㸦 .

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