Effect of accelerated weathering on the compressive strength for PMMA nano composites and PMMA hybrids nano composites used in dental applications
المؤلفون المشاركون
al-Shaliji, Sihama Isa Salih
Tali, Ala Muhammad
Ulaywi, Jawad Kazim
المصدر
Engineering and Technology Journal
العدد
المجلد 35، العدد 3A (31 مارس/آذار 2017)، ص ص. 204-215، 12ص.
الناشر
تاريخ النشر
2017-03-31
دولة النشر
العراق
عدد الصفحات
12
التخصصات الرئيسية
العلوم الهندسية والتكنولوجية (متداخلة التخصصات)
الملخص EN
In the present research, efforts are made to develop the properties of PMMA resin that used for upper and lower prosthesis complete denture, by addition four different types of nanoparticles powders, which are fly ash, fly dust, zirconia and aluminum that added with different ratios of volume fractions of (0.01, 0.02 and 0.03) to poly methyl methacrylate (PMMA), cold cured resin (castavaria) is the new fluid resin (pour type) as a matrix.
The nano composite and hybrid nano composite for prosthetic dentures specimens, preparation was done by using (Hand Lay-Up) method as six groups which includes: the first three groups consists of PMMA resin reinforced by fly ash , fly dust and ZrO2 nanoparticles respectively, the second three groups consists of three types of hybrid nano composites, which includes ((PMMA:X% fly ash) - (1%Al + 3%ZrO2)), ((PMMA:X% fly dust) - (1% Al + 3%ZrO2)) and ((PMMA:nZrO2) - (1% fly ash+ 3% fly dust)) respectively.
As well as, the effect of moisture and UV was taking into consideration in this study.
The compression test results shows that the values of compressive strength, compressive elastic modulus, and compressive strength under the effect of accelerated weathering (moisture and UV radiation) increased with the addition of nano powders (fly ash, fly dust, zirconia and aluminum).
As well as, the results showed that the maximum values of compressive strength reach to (286.25MPa) for (PMMA + 2%nZrO2) nano composite.
In addition, the results showed that the compressive elastic modulus reach to the maximum value (25.4166GPa) in the nano composite material (PMMA + 2 %nZrO2).
Moreover, the results showed that the compressive strength under the effect of accelerated weathering (moisture and UV radiation) reach to the maximum value to (315MPa) for the nano composite material (PMMA + 3%nZrO2).
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
al-Shaliji, Sihama Isa Salih& Ulaywi, Jawad Kazim& Tali, Ala Muhammad. 2017. Effect of accelerated weathering on the compressive strength for PMMA nano composites and PMMA hybrids nano composites used in dental applications. Engineering and Technology Journal،Vol. 35, no. 3A, pp.204-215.
https://search.emarefa.net/detail/BIM-770476
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
al-Shaliji, Sihama Isa Salih…[et al.]. Effect of accelerated weathering on the compressive strength for PMMA nano composites and PMMA hybrids nano composites used in dental applications. Engineering and Technology Journal Vol. 35, no. 3A (2017), pp.204-215.
https://search.emarefa.net/detail/BIM-770476
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
al-Shaliji, Sihama Isa Salih& Ulaywi, Jawad Kazim& Tali, Ala Muhammad. Effect of accelerated weathering on the compressive strength for PMMA nano composites and PMMA hybrids nano composites used in dental applications. Engineering and Technology Journal. 2017. Vol. 35, no. 3A, pp.204-215.
https://search.emarefa.net/detail/BIM-770476
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references : p. 213-214
رقم السجل
BIM-770476
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر