Year 2019, Volume 6, Issue 1, Pages 31 - 42 2019-01-31

T6 Işlem Görmüş ve Döküm Az91d Magnezyum Alaşımı Üzerine Dublex Nip/Nib Kaplamaların Sürtünme ve Aşınma Özellikleri
Friction and Wear Properties of T6 Treatment And As-Plated Duplex NiP/NiB Coatings on Az91d Magnesium Alloy

Kübra UÇAR [1] , Uğur ŞEN [2]

34 184

Electroless nickel coatings can be   preferred in wear resistant applications like firearms with good lubricity properties. In this study, a widely-used magnesium alloy, AZ91D both as-cast and precipitation-hardened conditions were coated with nickel phosphorus/nickel boron duplex coatings by the electroless deposition method. Solution treatment (W) of the alloy was carried out at 415 °C for 22 h in carbon powder followed by water quenched at 25 °C. Aging treatment (T6) of the solution-treated samples was performed at 216 °C for 6 h. The microstructures, elemental distributions and phase analysis of the obtained coatings were characterized by scanning electron microscopy (SEM), energy dispersive X-ray spectrometry (EDS) and X-ray diffraction (XRD) analysis. According to the XRD analysis, the obtained coatings have an amorphous character and subsequent to this, a crystallization process to the sample is carried out at 350 °C. The friction and wear properties of the coating are studied by means of ball-on-disc experiments at room temperature under 10N applied loads at 0.1 m/s sliding speed using alumina balls as counterparts. The friction coefficient of the sample was compared with each other from friction coefficient-distance graphics. The wear rates were determined by measuring the depth of the track with an 3D-optical microscope (3D-OM). Characterization of the wear tracks was performed by SEM and EDS.


Akımsız nikel kaplamalar iyi bir kayganlık özelliğine sahip, ateşli silahlar gibi aşınmaya   dayanıklı uygulamalarda tercih edilebilir. Bu çalışmada yaygın olarak kullanılan AZ91D magnezyum alaşımı, hem döküm hem de çökelme şertleşmesi koşullarında, akımsız kaplama metodu ile dublex Ni-P/Ni-B kaplamalar ile kaplanmıştır. Alaşımın çözelti işlemi 415°C’de 22 saat boyunca grafit tozu içerisinde gerçekleştirildi, ardından 25°C suda soğutuldu. Çözelti işlemine alınmış numunelerin yaşlandırma işlemi (T6) 216°C’de 6 saat boyunca gerçekleştirildi. Elde edilen kaplamaların mikroyapıları, elementel dağılımları ve faz analizleri taramalı elektron mikroskobu (SEM), enerji dağılım spektrometresi (EDS) ve X-ışınları difraksiyon analizi (XRD) ile karakterize edildi. XRD analizine göre, elde edilen kaplamalar amorf karaktere sahiptir ve bunun ardından numuneye 350°C’de bir kristalizasyon işlemi gerçekleştirildi. Kaplamanın sürtünme ve aşınma özellikleri, ball-on-disc vasıtasıyla deneyler alümina topa karşılık 0,1 m/s kayma hızında, 10N yük altında oda sıcaklığında çalışıldı. Numunenin sürtünme katsayısı, sürtünme katsayısı-mesafe grafiklerinden birbirleriyle karşılaştırıldı. Aşınma oranları, 3D optik profilometre (3D-OM) ile izin derinliği ölçülerek tespit edildi. Aşınma izlerinin karakterizasyonu SEM ve EDS ile gerçekleştirilmiştir.

  • References
  • [1] N.N. AUNG,W. ZHOU, ‘Effect of heat treatment on corrosion and electrochemical behavior of AZ91D magnesium alloy’ journal of Applied Electrochemistry 32 1397–1401, 2002.
  • [2] Fatemeh Madah, Ahmad Ali Amade, Changiz Dehghanian, ‘Investigation on the phase transformation of electroless Ni -B coating after dry sliding against alumina ball’ Journal of Alloys and Compounds 658 (2016) 272
  • [3] E. Correa, A.A. Zuleta, L. Guerra, M.A. Gómez, J.G. Castaño, F. Echeverría , H. Liu, A. Baron-Wieche,T. Hashimoto , P. Skeldon, G.E. Thompson’Coating development during electroless Ni –B plating on magnesium and AZ91D alloy’ Surface & Coatings Technology 232 (2013) 784
  • [4] Prasanta Sahoo, Suman Kalyan Das, ‘Tribology of electroless nickel coatings – A review’, Materials and Design 32 (2011) 1760
  • [5] E. Correa, A.A. Zuleta, L. Guerra, M.A. Gómez, J.G. Castaño, F. Echeverrí, H. Liu, P. Skeldon, G.E. Thompson ‘Tribological behavior of electroless Ni-B coatings on magnesium and az91d alloy’, Wear,305(2013) 115-123
Primary Language en
Subjects Engineering
Journal Section Makaleler
Authors

Author: Kübra UÇAR (Primary Author)
Institution: SAKARYA ÜNİVERSİTESİ
Country: Turkey


Author: Uğur ŞEN (Primary Author)
Country: Turkey


Dates

Publication Date: January 31, 2019

Bibtex @other { ecjse450204, journal = {El-Cezeri Journal of Science and Engineering}, issn = {2148-3736}, eissn = {2148-3736}, address = {Prof.Dr. Selami ŞAŞMAZ}, year = {2019}, volume = {6}, pages = {31 - 42}, doi = {10.31202/ecjse.450204}, title = {Friction and Wear Properties of T6 Treatment And As-Plated Duplex NiP/NiB Coatings on Az91d Magnesium Alloy}, key = {cite}, author = {UÇAR, Kübra and ŞEN, Uğur} }
APA UÇAR, K , ŞEN, U . (2019). Friction and Wear Properties of T6 Treatment And As-Plated Duplex NiP/NiB Coatings on Az91d Magnesium Alloy. El-Cezeri Journal of Science and Engineering, 6 (1), 31-42. DOI: 10.31202/ecjse.450204
MLA UÇAR, K , ŞEN, U . "Friction and Wear Properties of T6 Treatment And As-Plated Duplex NiP/NiB Coatings on Az91d Magnesium Alloy". El-Cezeri Journal of Science and Engineering 6 (2019): 31-42 <http://dergipark.org.tr/ecjse/issue/43039/450204>
Chicago UÇAR, K , ŞEN, U . "Friction and Wear Properties of T6 Treatment And As-Plated Duplex NiP/NiB Coatings on Az91d Magnesium Alloy". El-Cezeri Journal of Science and Engineering 6 (2019): 31-42
RIS TY - JOUR T1 - Friction and Wear Properties of T6 Treatment And As-Plated Duplex NiP/NiB Coatings on Az91d Magnesium Alloy AU - Kübra UÇAR , Uğur ŞEN Y1 - 2019 PY - 2019 N1 - doi: 10.31202/ecjse.450204 DO - 10.31202/ecjse.450204 T2 - El-Cezeri Journal of Science and Engineering JF - Journal JO - JOR SP - 31 EP - 42 VL - 6 IS - 1 SN - 2148-3736-2148-3736 M3 - doi: 10.31202/ecjse.450204 UR - https://doi.org/10.31202/ecjse.450204 Y2 - 2018 ER -
EndNote %0 El-Cezeri Journal of Science and Engineering Friction and Wear Properties of T6 Treatment And As-Plated Duplex NiP/NiB Coatings on Az91d Magnesium Alloy %A Kübra UÇAR , Uğur ŞEN %T Friction and Wear Properties of T6 Treatment And As-Plated Duplex NiP/NiB Coatings on Az91d Magnesium Alloy %D 2019 %J El-Cezeri Journal of Science and Engineering %P 2148-3736-2148-3736 %V 6 %N 1 %R doi: 10.31202/ecjse.450204 %U 10.31202/ecjse.450204
ISNAD UÇAR, Kübra , ŞEN, Uğur . "Friction and Wear Properties of T6 Treatment And As-Plated Duplex NiP/NiB Coatings on Az91d Magnesium Alloy". El-Cezeri Journal of Science and Engineering 6 / 1 (January 2019): 31-42. https://doi.org/10.31202/ecjse.450204
AMA UÇAR K , ŞEN U . Friction and Wear Properties of T6 Treatment And As-Plated Duplex NiP/NiB Coatings on Az91d Magnesium Alloy. ECJSE. 2019; 6(1): 31-42.
Vancouver UÇAR K , ŞEN U . Friction and Wear Properties of T6 Treatment And As-Plated Duplex NiP/NiB Coatings on Az91d Magnesium Alloy. El-Cezeri Journal of Science and Engineering. 2019; 6(1): 42-31.