Study on the Forming Process and Properties of AlSi60 Alloy by Selective Laser Melting
, Yong Chen 4, Peng Rong 4, Sida Ma 3, Pu Xie 5 and Hui Chen 1,2,*
Round 1
Reviewer 1 Report
Comments and Suggestions for AuthorsThe manuscript provides a thorough investigation into the defects, microstructure, and mechanical properties of AlSi60 alloy prepared by SLM, offering valuable insights for the field of materials science and engineering. Addressing these comments could further enhance the clarity, impact, and relevance of the work.
(1) While the paper references relevant studies, adding a brief review of previous work on SLM of similar alloys could help position your study within the broader research landscape. This could highlight the novelty or the specific contributions of your work.
(2) Including a discussion on how these microstructural features compare to those required for optimal performance in aerospace or communication devices could further strengthen the paper.
(3) The role of the eutectic Si in the alloy's properties is well-described, but elaborating on the mechanisms by which the primary Si and α-Al phases contribute to the observed tensile properties could offer a deeper understanding of the material's behavior.
(4) Is there a tensile standard for Figure 3?
(5) Consider including a table summarizing the SLM process parameters and their effects on the alloy's properties for quick reference.
(6) please, enlarge and improve the resolution for font text and number sizes for many Figure 4, Figure 1d, Figure 7, Figure 13.
Author Response
Please see the attachment.
Author Response File: 
Author Response.pdf
Reviewer 2 Report
Comments and Suggestions for AuthorsThe authors of this manuscript study the formation defects, microstructure, and room temperature tensile properties of AlSi60 alloy prepared by selective laser melting. I read the manuscript with interest, I think that the article can be published in the journal after some minor revision.
1. In the introduction part authors need to add additional information about the advantages of the selective laser melting (SLM), for example the high heating and cooling rates this technology can provide and etc.
2. The logical relationship in the introduction needs to be improved as well.
3. In section “2.3 Characterization”, more information about the density measurement is needed. What kind is the immersion liquid?
4. What is the error in determining the densities values?
5. In figure 8, please add XRD spectra of samples with different laser powers.
6. Authors need to provide DSC measurements of the AlSi60 alloy.
7. Finally, please examine the manuscript for typos, for example at line 267, Figure X needs to be corrected.
Comments on the Quality of English LanguageNo comment.
Author Response
Please see the attachment.
Author Response File: Author Response.pdf
