CAJ | 학술논문

目的:探讨人工唾液,可乐,弱碱水和漱口水对Vitallium合金耐腐蚀性的影响. 方法:将Vitallium试件室温下浸泡在人工唾液、可乐、弱碱水和漱口水中,用电化学腐蚀测量方法,测试试件的自腐蚀电位(Ecorr)、腐蚀电流密度(Icorr)、极化电阻(Rp),以人工唾液为对照组进行比较分析. 应用扫描电子显微镜(SEM)观察试样腐蚀前后形貌变化. 结果:Vitallium合金在弱碱水中腐蚀电流密度(Icorr)增大,极化电阻(Rp)降低,与对照组人工唾液有明显差异(P<0.05),在漱口水中的腐蚀电流密度(Icorr)降低,极化电阻(Rp)增大,与对照组有明显差异(P<0.05). 在可乐中的腐蚀电流密度(Icorr)和极化电阻(Rp)与对照组相比无显著差异(P>0.05). 结论:Vitallium合金在在弱碱水中耐腐蚀性最差,在漱口水中耐腐蚀性最好.
목적:탐토인공타액,가악,약감수화수구수대Vitallium합금내부식성적영향. 방법:장Vitallium시건실온하침포재인공타액、가악、약감수화수구수중,용전화학부식측량방법,측시시건적자부식전위(Ecorr)、부식전류밀도(Icorr)、겁화전조(Rp),이인공타액위대조조진행비교분석. 응용소묘전자현미경(SEM)관찰시양부식전후형모변화. 결과:Vitallium합금재약감수중부식전류밀도(Icorr)증대,겁화전조(Rp)강저,여대조조인공타액유명현차이(P<0.05),재수구수중적부식전류밀도(Icorr)강저,겁화전조(Rp)증대,여대조조유명현차이(P<0.05). 재가악중적부식전류밀도(Icorr)화겁화전조(Rp)여대조조상비무현저차이(P>0.05). 결론:Vitallium합금재재약감수중내부식성최차,재수구수중내부식성최호.
Objective:To study the effect of different media the corrosion resistance of Vitallium alloy. Method:Compared with artificial saliva,electrochemicaled technique was used to measure the electric potential of corrosion(Ecorr), polarization resistance(Rp) and current density of corrosion(Icorr) of Vitallium alloy in different media. After electrochemi-cal analysis,microstructural and phase diffraction was examined by SEM. Result:There were significant differences for Vi-tallium's polarization resistance and current density of corrosion in alkaline ion water compared with the control group,Icorr increased and Rp decreased (P <0.05). In mouthwash,Vitallium's polarization resistance and current density of corrosion were obviously different compared with the control group,Icorr decreased and Rp increased (P<0.05).In cola,there were no significant differences compare with the control group (P>0.05). Conclusion:Vitallium has the poorest corrosion resistance in alkaline ion water and the weakest causticity in mouthwash.