Awọn Okunfa ti o ni ipa lori Awọn aaye Alurinmorin Olona-Layer ti Awọn Ẹrọ Alurinmorin Aarin-Igbohunsafẹfẹ

Aarin-igbohunsafẹfẹawọn ẹrọ alurinmorin iranranstandardize awọn alurinmorin sile fun olona-Layer alurinmorin nipasẹ experimentation. Awọn idanwo lọpọlọpọ ti fihan pe eto metallographic ti awọn aaye weld jẹ igbagbogbo columnar, ni ibamu pẹlu awọn ibeere lilo. Itọju iwọn otutu le ṣatunṣe awọn oka columnar, nitorinaa imudarasi awọn ohun-ini ẹrọ ti isẹpo weld iranran si iye diẹ.

Awọn okunfa ti o kan awọn aaye alurinmorin ọpọ-Layer ti awọn ẹrọ alurinmorin aaye aarin-igbohunsafẹfẹ pẹlu:

Alurinmorin Gbona Yiyi: Lakoko iṣẹ, orisun ooru n gbe lẹgbẹẹ iṣẹ-ṣiṣe, nfa iwọn otutu nibiti iwọn otutu ni aaye kan lori iṣẹ-iṣẹ pọ si ati lẹhinna dinku ni akoko pupọ, de iye ti o pọju ṣaaju idinku lẹẹkansi.

Agbegbe Ooru ti o ni Alurinmorin: Agbegbe agbegbe aaye weld gba awọn ayipada ninu awọn ohun-ini igbekale rẹ nitori ooru alurinmorin, pẹlu agbegbe idapọ, agbegbe igbona, agbegbe annealed, iyipada apakan apakan, ati bẹbẹ lọ.

Awọn dojuijako gbigbona: Awọn dojuijako iwọn otutu ti o ga julọ ti o waye ni irin nitosi laini solidus lakoko alurinmorin, ti a tun mọ ni awọn dojuijako ooru tabi awọn dojuijako crystalline.

Awọn dojuijako tutu: Awọn dojuijako ti o waye ni isunmọ welded ni awọn iwọn otutu kekere nitori awọn aapọn ihamọ, awọn ẹya mimu, ati hydrogen, ti a tun mọ si awọn dojuijako quenching.

Preheating: Iwọn ilana kan ti o kan alapapo gbogbo tabi apakan ti workpiece ṣaaju alurinmorin.

Ifiweranṣẹ-alapapo: Alapapo alapapo lẹsẹkẹsẹ ti gbogbo (tabi apakan ti) weld lati ṣetọju iwọn otutu, ti a mọ bi alapapo lẹhin, ti a pinnu lati dinku itankale hydrogen ni isunmọ weld, ti a tun mọ ni itọju dehydrogenation.

Itọju Ooru Post-Weld: Itọju igbona ti a ṣe lẹhin alurinmorin lati mu ilọsiwaju si microstructure weld tabi imukuro awọn aapọn to ku.

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