MICROSTRUCTURE AND DENSIFICATION RELATIONSHIP TO THE MANUFACTURING PARAMETERS IN LASER SINTERING OF IRON POWERS

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SIMCHI A.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: AMIRKABIR Year:2003 | Volume:14 | Issue:55-B Page(s): 780-789

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Title

MICROSTRUCTURE AND DENSIFICATION RELATIONSHIP TO THE MANUFACTURING PARAMETERS IN LASER SINTERING OF IRON POWERS

Author(s)

SIMCHI A. | Issue Writer Certificate

Keywords

DIRECT METAL LASER SINTERINGQ3

DENSIFICATION MECHANISMQ4

MICROSTRUCTUREQ4

IRONQ4

Abstract

In this work, the effects of manufacturing parameters on the MICROSTRUCTURE and densification of IRON powders processed by direct laser sintering were investigated. A specific energy parameter E, which expresses the energy input per volume of tire sintered layer, was defined and used to evaluate the impact of the parameters on the densification and the attendant micro structural features. The results show that the sintered density is an exponential function of the defined Specific energy. With increasing the energy input up to 2kj/mm3, the densification rate is relatively high. Here, the MICROSTRUCTURE consists of bin pores (.5-1mm) and elongated ferrite grains. The densification rate will be decreased if the energy input exceeds 0.2 kJ/mm3 With intensifying the energy over 0.8 kJ/mm3, the formation of horizontally oriented cracks is likely to occur while the deflsit1 remains almost constant.

Cites

EFFECT OF HEAT TREATMENT ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF A LASER SINTERED LOW ALLOY STEEL

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APA: Copy

SIMCHI, A.. (2003). MICROSTRUCTURE AND DENSIFICATION RELATIONSHIP TO THE MANUFACTURING PARAMETERS IN LASER SINTERING OF IRON POWERS. AMIRKABIR, 14(55-B), 780-789. SID. https://sid.ir/paper/1010/en

Vancouver: Copy

SIMCHI A.. MICROSTRUCTURE AND DENSIFICATION RELATIONSHIP TO THE MANUFACTURING PARAMETERS IN LASER SINTERING OF IRON POWERS. AMIRKABIR[Internet]. 2003;14(55-B):780-789. Available from: https://sid.ir/paper/1010/en

IEEE: Copy

A. SIMCHI, “MICROSTRUCTURE AND DENSIFICATION RELATIONSHIP TO THE MANUFACTURING PARAMETERS IN LASER SINTERING OF IRON POWERS,” AMIRKABIR, vol. 14, no. 55-B, pp. 780–789, 2003, [Online]. Available: https://sid.ir/paper/1010/en

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