Investigation on in-situ synthesis of VC-WxC particulate reinforced Ni-based coatings by laser cladding

YANG Ning; LI Li-kai; CHAO Ming-ju

doi:10.3969/j.issn.1001-3806.2012.05.013

Volume 36 Issue 5

Jul. 2012

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Investigation on in-situ synthesis of VC-WxC particulate reinforced Ni-based coatings by laser cladding

1.
Department of Physics, Henan Institute of Education, Zhengzhou 450046, China;
2.
College of Information Engineering, Zhongzhou University, Zhengzhou 450044, China;
3.
Key Laboratory of Material Physics of Ministry of Education, Department of Physics, Zhengzhou University, Zhengzhou 450052, China

Received Date: 2011-12-07
Accepted Date: 2012-01-09

Abstract

The VC-WxC particulate reinforced Ni-based coating was successfully in-situ synthesized by laser cladding on steel 45# substrates.The micro-structural and metallographic analyses were performed with a scanning electron microscopy,energy-dispersive spectrometer and X-ray diffractometer.The microhardness and wear-resistance of the coatings were investigated.It is indicated that a good finish VC-WxC reinforced composite coating can be reached at a suitable processing parameters.The microstructure at the bottom of the cladding layer mainly consists of oriented dendrites of γ(NiFe),and the microstructure at the center and upper zones contains VC,W2C,WC and Cr3C2 phase dispersed in the matrix of γ(NiFe)solid solution.The in-situ synthesized VC-WxC reinforced Ni-based coating gives very high hardness of HV0.3 1400 and excellent wear resistance,which is six times as that of Ni60 coatings.The results show that the improvement in hardness and wear resistance of the layer is due to the in-situ synthesis of VC,W2C,WC and Cr3C2,its homogenous distribution in the clad layer.
- laser technique,
- in-situ synthesized VC-WxC,
- laser cladding,
- microstructure,
- hardness,
- wear resistance

References

[1]	ZHANG K M,ZOU J X,LI J,et al.Surface modification of TC4 Ti alloy by laser cladding with TiC+Ti powders[J].Transactions of Nonferrous Metals Society of China,2010,20(11):2192-2197.
[2]	WANG J Sh,MENG H M,YU H Y,et al.Surface hardening of Febased alloy powders by Nd:YAG laser cladding followed by electrospark deposition with WC-Co cemented carbide[J].Rare Metaks,2010,29(4):380-384.
[3]	GAO L L,BIAN X F,TIAN Y Sh.Effect of Co on microstructure and interfacial properties of Fe-based laser cladding[J].Journal of Iron and Steel Research,2009,16(4):84-88.
[4]	CHEN J F,ZHANG Y K,XU R J.Research progress on laser surface processing of magnesium alloy[J].Laser Technology,2008,32 (3):293-295(in Chinese).
[5]	WANG H Y,ZUO D W,SUN Y L.Microstructure of nanometer Al2O3 dispersion strengthened Ni-based high-temperature protective coatings by laser cladding[J].Transactions of Nonferrous Metals Society of China,2009,19(3):586-591.
[6]	LUO F,YAO J H,HU X X,et al.Effect of laser power on the cladding temperature field and the heat affected zone[J].Journal of Iron and Steel Research,International,2011,18(1):73-78.
[7]	WU Ch F,MA M X,LIU W J,et al.Laser cladding in-situ carbide particle reinforced Fe-based composite coatings with rare earth oxide addition[J].Journal of Rare Earths,2009,27(6):997-1002.
[8]	MAN H C,YANG Y Q,LEE W B.Laser induced reaction synthesis of TiC+WC reinforced metal matrix composites coatings on Al 6061<[J].Surface&Coatings Technology,2004,185(1):74-80.
[9]	ZHANG X H,CHAO M J,LIANG E J,et al.In-situ synthesis of TiC-ZrC particulate reinforced Ni-based composite coatings by laser cladding[J].Chinese Journal of Lasers,2009,36(4):998-1004(in Chinese).
[10]	JING X D,CHAO M J,SUN H Q,et al.Investigation on in-situ synthesis of Cr3C2-CrB reinforced Ni-based composite coatings by laser cladding[J].Chinese Journal of Lasers,2009,36(1):231-237 (in Chinese).
[11]	LE Zh Q,BO Sh M,WANG G J.Handbook of fine inorganic compounds[M].Beijing:Chemistry Industry Press,2001:763,888(in Chinese).
[12]	HE D Y,XU J,MA R.Wear resistance properties of micron-WC reinforced Ni60 coating by high frequency induction cladding[J].Transactions of the China Welding Institution,2008,29(8):1-4(in Chinese).
[13]	KWANGJUN E,SUNGHAK L.Correlation of microstructure with hardness and wear resistance of VC/steel surface-alloyed materials fabricated by high-energy electron-beam irradiation[J].Metallurgical and Materials Transactions,2008,A34(1):59-65.
[14]	SUN H Q,CHAO M J,JING X D,et al.Investigation on in-situ synthesized VC particulate reinforced Ni-based composite coating by laser cladding[J].Laser Journal,2008,29(5):69-71(in Chinese).
[15]	WANG W F,SUN F J,WANG M C.Study of Cu-base coating on aluminum alloy by laser cladding[J].Laser Technology,2008,32 (3):240-243(in Chinese).
[16]	NIU L B,XU Y H,WU H,et al.Iron matrix composite reinforced by hybrid of in-situ WC particles and tungsten wires[J].The Chinese Journal of Nonferrous Metals,2009,19(12):2149-2154(in Chinese).
[17]	MA H Y,WANG Zh Q,ZHANG S W,et al.Wear behavior of Cu20Ni-20Mn alloy-W2C composite coatings prepared by pressureless inf iltration[J].Tribology,2007,27(4):387-391(in Chinese).
[18]	YANG W Ch,CHAO M J,SUN Y M,et al.In-situ synthesis of WB-CrB reinforced Ni-based coatigs by laser cladding[J].Laser&Optoelectronics Progress,2010(8):081403(in Chinese).
[19]	GONG Y P,LU W Y,YUAN X M.Microstructure and properties of TiB2 reinforced Co-based alloy coating by laser cladding[J].Laser Technology,2008,32(2):122-124(in Chinese).

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Investigation on in-situ synthesis of VC-WxC particulate reinforced Ni-based coatings by laser cladding

1. Department of Physics, Henan Institute of Education, Zhengzhou 450046, China;

2. College of Information Engineering, Zhongzhou University, Zhengzhou 450044, China;

3. Key Laboratory of Material Physics of Ministry of Education, Department of Physics, Zhengzhou University, Zhengzhou 450052, China

Received Date: 2011-12-07

Accepted Date: 2012-01-09

Available Online: 2012-09-25

Abstract: The VC-WxC particulate reinforced Ni-based coating was successfully in-situ synthesized by laser cladding on steel 45# substrates.The micro-structural and metallographic analyses were performed with a scanning electron microscopy,energy-dispersive spectrometer and X-ray diffractometer.The microhardness and wear-resistance of the coatings were investigated.It is indicated that a good finish VC-WxC reinforced composite coating can be reached at a suitable processing parameters.The microstructure at the bottom of the cladding layer mainly consists of oriented dendrites of γ(NiFe),and the microstructure at the center and upper zones contains VC,W2C,WC and Cr3C2 phase dispersed in the matrix of γ(NiFe)solid solution.The in-situ synthesized VC-WxC reinforced Ni-based coating gives very high hardness of HV0.3 1400 and excellent wear resistance,which is six times as that of Ni60 coatings.The results show that the improvement in hardness and wear resistance of the layer is due to the in-situ synthesis of VC,W2C,WC and Cr3C2,its homogenous distribution in the clad layer.

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Reference (19)

[1]	ZHANG K M,ZOU J X,LI J,et al.Surface modification of TC4 Ti alloy by laser cladding with TiC+Ti powders[J].Transactions of Nonferrous Metals Society of China,2010,20(11):2192-2197.
[2]	WANG J Sh,MENG H M,YU H Y,et al.Surface hardening of Febased alloy powders by Nd:YAG laser cladding followed by electrospark deposition with WC-Co cemented carbide[J].Rare Metaks,2010,29(4):380-384.
[3]	GAO L L,BIAN X F,TIAN Y Sh.Effect of Co on microstructure and interfacial properties of Fe-based laser cladding[J].Journal of Iron and Steel Research,2009,16(4):84-88.
[4]	CHEN J F,ZHANG Y K,XU R J.Research progress on laser surface processing of magnesium alloy[J].Laser Technology,2008,32 (3):293-295(in Chinese).
[5]	WANG H Y,ZUO D W,SUN Y L.Microstructure of nanometer Al2O3 dispersion strengthened Ni-based high-temperature protective coatings by laser cladding[J].Transactions of Nonferrous Metals Society of China,2009,19(3):586-591.
[6]	LUO F,YAO J H,HU X X,et al.Effect of laser power on the cladding temperature field and the heat affected zone[J].Journal of Iron and Steel Research,International,2011,18(1):73-78.
[7]	WU Ch F,MA M X,LIU W J,et al.Laser cladding in-situ carbide particle reinforced Fe-based composite coatings with rare earth oxide addition[J].Journal of Rare Earths,2009,27(6):997-1002.
[8]	MAN H C,YANG Y Q,LEE W B.Laser induced reaction synthesis of TiC+WC reinforced metal matrix composites coatings on Al 6061<[J].Surface&Coatings Technology,2004,185(1):74-80.
[9]	ZHANG X H,CHAO M J,LIANG E J,et al.In-situ synthesis of TiC-ZrC particulate reinforced Ni-based composite coatings by laser cladding[J].Chinese Journal of Lasers,2009,36(4):998-1004(in Chinese).
[10]	JING X D,CHAO M J,SUN H Q,et al.Investigation on in-situ synthesis of Cr3C2-CrB reinforced Ni-based composite coatings by laser cladding[J].Chinese Journal of Lasers,2009,36(1):231-237 (in Chinese).
[11]	LE Zh Q,BO Sh M,WANG G J.Handbook of fine inorganic compounds[M].Beijing:Chemistry Industry Press,2001:763,888(in Chinese).
[12]	HE D Y,XU J,MA R.Wear resistance properties of micron-WC reinforced Ni60 coating by high frequency induction cladding[J].Transactions of the China Welding Institution,2008,29(8):1-4(in Chinese).
[13]	KWANGJUN E,SUNGHAK L.Correlation of microstructure with hardness and wear resistance of VC/steel surface-alloyed materials fabricated by high-energy electron-beam irradiation[J].Metallurgical and Materials Transactions,2008,A34(1):59-65.
[14]	SUN H Q,CHAO M J,JING X D,et al.Investigation on in-situ synthesized VC particulate reinforced Ni-based composite coating by laser cladding[J].Laser Journal,2008,29(5):69-71(in Chinese).
[15]	WANG W F,SUN F J,WANG M C.Study of Cu-base coating on aluminum alloy by laser cladding[J].Laser Technology,2008,32 (3):240-243(in Chinese).
[16]	NIU L B,XU Y H,WU H,et al.Iron matrix composite reinforced by hybrid of in-situ WC particles and tungsten wires[J].The Chinese Journal of Nonferrous Metals,2009,19(12):2149-2154(in Chinese).
[17]	MA H Y,WANG Zh Q,ZHANG S W,et al.Wear behavior of Cu20Ni-20Mn alloy-W2C composite coatings prepared by pressureless inf iltration[J].Tribology,2007,27(4):387-391(in Chinese).
[18]	YANG W Ch,CHAO M J,SUN Y M,et al.In-situ synthesis of WB-CrB reinforced Ni-based coatigs by laser cladding[J].Laser&Optoelectronics Progress,2010(8):081403(in Chinese).
[19]	GONG Y P,LU W Y,YUAN X M.Microstructure and properties of TiB2 reinforced Co-based alloy coating by laser cladding[J].Laser Technology,2008,32(2):122-124(in Chinese).

Investigation on in-situ synthesis of VC-WxC particulate reinforced Ni-based coatings by laser cladding

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通讯作者: 陈斌, bchen63@163.com

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Investigation on in-situ synthesis of VC-WxC particulate reinforced Ni-based coatings by laser cladding

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