TY - GEN
T1 - Influence of the processing parameters on the coating hardness on LD10 A-alloy
AU - Pan, Mingqiang
AU - Chi, Guanxin
AU - Wei, Dongbo
AU - Di, Shichun
PY - 2010
Y1 - 2010
N2 - The paper discusses the influence of processing parameters on the hardness of LD10 aluminum alloy coating treated by the power source with positive and negative pulse in the alkaline electrolyte. Lots of experiments were done with different processing parameters including positive current density, negative current density, frequency, duty ratio, processing time and electrolyte temperature, and the micro-hardness tester HVS-1000 was used to measure the coating hardness. The results indicate that elevating the duty ratio, or reducing the frequency can be advantageous to improve the coating hardness, and the coating is the hardest treated in electrolyte at the 30°C. And when the value of the positive and negative current density is reasonable, and the processing time rationally matches with the current density, the coating with HV2800 can be obtained.
AB - The paper discusses the influence of processing parameters on the hardness of LD10 aluminum alloy coating treated by the power source with positive and negative pulse in the alkaline electrolyte. Lots of experiments were done with different processing parameters including positive current density, negative current density, frequency, duty ratio, processing time and electrolyte temperature, and the micro-hardness tester HVS-1000 was used to measure the coating hardness. The results indicate that elevating the duty ratio, or reducing the frequency can be advantageous to improve the coating hardness, and the coating is the hardest treated in electrolyte at the 30°C. And when the value of the positive and negative current density is reasonable, and the processing time rationally matches with the current density, the coating with HV2800 can be obtained.
KW - Aluminum alloy
KW - Hardness
KW - Micro arc oxidation
KW - Processing parameter
UR - https://www.scopus.com/pages/publications/77955449841
U2 - 10.4028/www.scientific.net/KEM.434-435.549
DO - 10.4028/www.scientific.net/KEM.434-435.549
M3 - 会议稿件
AN - SCOPUS:77955449841
SN - 0878492747
SN - 9780878492749
T3 - Key Engineering Materials
SP - 549
EP - 553
BT - High-Performance Ceramics VI
PB - Trans Tech Publications Ltd
T2 - 6th China International Conference on High-Performance Ceramics, CICC-6
Y2 - 16 August 2009 through 19 August 2009
ER -