Is the energy density a reliable parameter for materials synthesis by selective laser melting?

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Is the energy density a reliable parameter for materials synthesis by selective laser melting?

Original Report | 更新时间：2026-08-19

- Is the energy density a reliable parameter for materials synthesis by selective laser melting?
- Is the energy density a reliable parameter for materials synthesis by selective laser melting?
- 材料研究快报（英文） 2017年5卷第6期页码：386-390
- 作者机构：
  
  1. Erich Schmid Institute of Materials Science Austrian Academy of Sciences
  2. Solidification Processes and Complex Structures Institute for Complex Materials IFW Dresden
  3. Department of Metallurgical and Materials Engineering Indian Institute of Technology Kharagpur
  4. Erich Schmid Institute of Materials Science Austrian Academy of Sciences Leoben Austria
  5. Department Materials Physics Montanuniversität Leoben
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2017.1299808
  中图分类号：
- 网络首发：2017-03-09，
  
  纸质出版：2017
- 稿件说明：
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K. G. Prashanth, S. Scudino, T. Maity, 等. Is the energy density a reliable parameter for materials synthesis by selective laser melting?[J]. 材料研究快报（英文）, 2017,5(6):386-390.

K. G. Prashanth, S. Scudino, T. Maity, et al. Is the energy density a reliable parameter for materials synthesis by selective laser melting?[J]. Materials Research Letters, 2017, 5(6): 386-390.
K. G. Prashanth, S. Scudino, T. Maity, 等. Is the energy density a reliable parameter for materials synthesis by selective laser melting?[J]. 材料研究快报（英文）, 2017,5(6):386-390. DOI： 10.1080/21663831.2017.1299808.

K. G. Prashanth, S. Scudino, T. Maity, et al. Is the energy density a reliable parameter for materials synthesis by selective laser melting?[J]. Materials Research Letters, 2017, 5(6): 386-390. DOI： 10.1080/21663831.2017.1299808.

摘要

Abstract

BSTRACTThe effective fabrication of materials using selective laser melting depends on the process parameters. Here

we analyse the suitability of the energy density to represent the energy transferred to the powder bed

which is effectively used to melt the particles and to produce the bulk specimens. By properly varying laser power and speed in order to process the powder at constant energy density

we show that the equation currently used to calculate the energy density gives only an approximate estimation and that hatch parameters and material properties should be considered to correctly evaluate the energy density.

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