Processing Window and Microstructure of NiCoCrAlY Coating Deposited on Cast Iron Using Multilayer Laser Cladding
المؤلفون المشاركون
Liu, Hao
Chen, Peijian
Yang, Haifeng
Hao, Jingbin
Tian, Xianhua
He, Xiuli
Yu, Gang
المصدر
العدد
المجلد 2019، العدد 2019 (31 ديسمبر/كانون الأول 2019)، ص ص. 1-15، 15ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2019-02-17
دولة النشر
مصر
عدد الصفحات
15
التخصصات الرئيسية
الملخص EN
Cast iron is an iron-carbon alloy widely used in mechanical engineering.
Nickel-base or cobalt-base alloy coatings prepared by laser cladding can improve the surface properties of cast iron, thereby increasing the service life of the components; however, due to the poor weldability and high carbon content of cast iron, the use of laser cladding to prepare alloy coatings faces many difficulties.
To reduce the brittleness of the bonded interface, laser cladding was applied to the surface of cast iron using a multilayer deposition strategy.
Through testing of the single-track laser cladding, the causes of defects in the coating are analysed, including poor bonding, slag inclusions, and pores.
An analytical model based on mass and heat conservation is developed, and a processing window of laser tracks without defects is determined thereby.
NiCoCrAlY alloy coating prepared by overlapping laser tracks mainly consists of γ-(Fe, Ni) dendrites and interdendritic M7C3 and M23C6 carbides.
Although there are no cracks in a single laser track, cracks are detected when laser tracks are overlapped under the same process parameters.
The increase in laser power helps to reduce cracking susceptibility on this occasion.
The morphology of the grain in NiCoCrAlY alloy coating is mainly epitaxially grown columnar crystals.
The increase in microhardness of the coating is mainly attributed to ductile dendrites, precipitated carbides, and grain refinement.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Liu, Hao& Chen, Peijian& Yang, Haifeng& Hao, Jingbin& Tian, Xianhua& He, Xiuli…[et al.]. 2019. Processing Window and Microstructure of NiCoCrAlY Coating Deposited on Cast Iron Using Multilayer Laser Cladding. Journal of Spectroscopy،Vol. 2019, no. 2019, pp.1-15.
https://search.emarefa.net/detail/BIM-1192166
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Liu, Hao…[et al.]. Processing Window and Microstructure of NiCoCrAlY Coating Deposited on Cast Iron Using Multilayer Laser Cladding. Journal of Spectroscopy No. 2019 (2019), pp.1-15.
https://search.emarefa.net/detail/BIM-1192166
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Liu, Hao& Chen, Peijian& Yang, Haifeng& Hao, Jingbin& Tian, Xianhua& He, Xiuli…[et al.]. Processing Window and Microstructure of NiCoCrAlY Coating Deposited on Cast Iron Using Multilayer Laser Cladding. Journal of Spectroscopy. 2019. Vol. 2019, no. 2019, pp.1-15.
https://search.emarefa.net/detail/BIM-1192166
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1192166
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