Preparation and Properties of Mo Coating on H13 Steel by Electro Spark Deposition Process

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Preparation and Properties of Mo Coating on H13 Steel by Electro Spark Deposition Process. / Wang, W.; Du, M.; Zhang, X. et al.
In: Materials, Vol. 14, No. 13, 3700, 01.07.2021.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Bibtex

@article{99bcf6a6bfb84abf9ab7a079959458a0,

title = "Preparation and Properties of Mo Coating on H13 Steel by Electro Spark Deposition Process",

abstract = "H13 steel is often damaged by wear, erosion, and thermal fatigue. It is one of the essential methods to improve the service life of H13 steel by preparing a coating on it. Due to the advantages of high melting point, good wear, and corrosion resistance of Mo, Mo coating was fabricated on H13 steel by electro spark deposition (ESD) process in this study. The influences of the depositing parameters (deposition power, discharge frequency, and specific deposition time) on the roughness of the coating, thickness, and properties were investigated in detail. The optimized depositing parameters were obtained by comparing roughness, thickness, and crack performance of the coating. The results show that the cross-section of the coating mainly consisted of strengthening zone and tran-sition zone. Metallurgical bonding was formed between the coating and substrate. The Mo coating mainly consisted of Fe9.7Mo0.3, Fe-Cr, FeMo, and Fe2Mo cemented carbide phases, and an amorphous phase. The Mo coating had better microhardness, wear, and corrosion resistance than substrate, which could significantly improve the service life of the H13 steel. ",

keywords = "Corrosion resistance, Electro spark deposition (ESD), H13 steel, Microhardness, Mo coating, Wear resistance, Binary alloys, Carbides, Chromium alloys, Chromium metallurgy, Corrosion resistant coatings, Deposition, Iron metallurgy, Molybdenum, Steel corrosion, Thermal fatigue, Cemented carbides, Crack performance, Deposition power, Deposition time, Discharge frequency, Electrospark deposition, High melting point, Metallurgical bonding, Molybdenum steel",

author = "W. Wang and M. Du and X. Zhang and C. Luan and Y. Tian",

year = "2021",

month = jul,

day = "1",

doi = "10.3390/ma14133700",

language = "English",

volume = "14",

journal = "Materials",

issn = "1996-1944",

publisher = "MDPI AG",

number = "13",

}

RIS

TY - JOUR

T1 - Preparation and Properties of Mo Coating on H13 Steel by Electro Spark Deposition Process

AU - Wang, W.

AU - Du, M.

AU - Zhang, X.

AU - Luan, C.

AU - Tian, Y.

PY - 2021/7/1

Y1 - 2021/7/1

N2 - H13 steel is often damaged by wear, erosion, and thermal fatigue. It is one of the essential methods to improve the service life of H13 steel by preparing a coating on it. Due to the advantages of high melting point, good wear, and corrosion resistance of Mo, Mo coating was fabricated on H13 steel by electro spark deposition (ESD) process in this study. The influences of the depositing parameters (deposition power, discharge frequency, and specific deposition time) on the roughness of the coating, thickness, and properties were investigated in detail. The optimized depositing parameters were obtained by comparing roughness, thickness, and crack performance of the coating. The results show that the cross-section of the coating mainly consisted of strengthening zone and tran-sition zone. Metallurgical bonding was formed between the coating and substrate. The Mo coating mainly consisted of Fe9.7Mo0.3, Fe-Cr, FeMo, and Fe2Mo cemented carbide phases, and an amorphous phase. The Mo coating had better microhardness, wear, and corrosion resistance than substrate, which could significantly improve the service life of the H13 steel.

AB - H13 steel is often damaged by wear, erosion, and thermal fatigue. It is one of the essential methods to improve the service life of H13 steel by preparing a coating on it. Due to the advantages of high melting point, good wear, and corrosion resistance of Mo, Mo coating was fabricated on H13 steel by electro spark deposition (ESD) process in this study. The influences of the depositing parameters (deposition power, discharge frequency, and specific deposition time) on the roughness of the coating, thickness, and properties were investigated in detail. The optimized depositing parameters were obtained by comparing roughness, thickness, and crack performance of the coating. The results show that the cross-section of the coating mainly consisted of strengthening zone and tran-sition zone. Metallurgical bonding was formed between the coating and substrate. The Mo coating mainly consisted of Fe9.7Mo0.3, Fe-Cr, FeMo, and Fe2Mo cemented carbide phases, and an amorphous phase. The Mo coating had better microhardness, wear, and corrosion resistance than substrate, which could significantly improve the service life of the H13 steel.

KW - Corrosion resistance

KW - Electro spark deposition (ESD)

KW - H13 steel

KW - Microhardness

KW - Mo coating

KW - Wear resistance

KW - Binary alloys

KW - Carbides

KW - Chromium alloys

KW - Chromium metallurgy

KW - Corrosion resistant coatings

KW - Deposition

KW - Iron metallurgy

KW - Molybdenum

KW - Steel corrosion

KW - Thermal fatigue

KW - Cemented carbides

KW - Crack performance

KW - Deposition power

KW - Deposition time

KW - Discharge frequency

KW - Electrospark deposition

KW - High melting point

KW - Metallurgical bonding

KW - Molybdenum steel

U2 - 10.3390/ma14133700

DO - 10.3390/ma14133700

M3 - Journal article

VL - 14

JO - Materials

JF - Materials

SN - 1996-1944

IS - 13

M1 - 3700

ER -

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