Effect of Al Content on Texture Evolution and Recrystallization Behavior of Non-Flammable Magnesium Sheet Alloys
Round 1
Reviewer 1 Report
It is a very good clearly written paper dealing with an industrially relevant problem. The methods used are relevant to the main aim of the paper and the arguments are physically sound.
I have only two comments:
As the Table 1 deals with detection of stoichiometric phases, it will be more convenient for the reader to express the chemical composition in at. %.
Add the title of the x-axis in Fig. 9.
Author Response
Please see the attachment
Author Response File: 
Author Response.pdf
Reviewer 2 Report
The subject of the manuscript is generally impressive, and the text is well organized into paragraphs. The results give important information for future investigations and applications. The introduction provides a good, generalized background of the topic and sufficiently presents the research motivation. However, some explanations and minor corrections are needed to improve the quality of the manuscript.
- What was the maximum temperature in the furnace during gravity casting? Did the use of steel crucibles contaminate the alloy at higher temperatures?
- There is a noticeable lack of consequence in the description of the devices used in the research, e.g., the manufacturer is given for the diffractometer (Panalytical) but not, for example, for the microscopes.
- Line 99-100: How was it determined at this stage of the research that the volume fraction of the secondary phases in AZXW100 is smaller than in the other alloy sheets?
- What was the accuracy of the chemical composition measurement with SEM-EDS? Giving the value to two decimal places seems unjustified. Please add the accuracy of the measures to the results (Table 1).
- Please add the title and unit to the horizontal axis in the chart of Figure 9.
- Please adapt the text to the journal's requirements, e.g., figure instead of fig.
Author Response
Please see the attachment
Author Response File: Author Response.pdf
Reviewer 3 Report
This study gives the effect of Al content on the texture evolution and recrystallization behavior Mg sheets containing Ca and Y elements. The results are of significance for enhancing formability. Some comments have to be addressed before acceptance:
- The classification of recrystallization should be mentioned. Is there any effect of the reduction of Al on twinning-induced DRX, continuous DRX and non-continuous DRX during deformation (International Journal of Plasticity, 111, 2018, 211-233)?
- In conclusion, “The decrease of Al content is advantageous to improve the formability of the Mg alloy sheets” is too vague to design the material composition. The quantitative instructions should be discussed in detail.
Author Response
Please see the attachment
Author Response File: Author Response.pdf
Reviewer 4 Report
The paper evaluates the role of Al content on texture and recrystallization response of a magnesium alloy containing Y and Ca. Overall, the paper is well-written and provides valuable information on characteristics of rare-earth Mg alloys for the community of the journal of Metals. The following points are suggested to improve the quality of the paper:
- The ductility of the materials with different Al contents has been discussed with Erichsen tests. In the absence of digital image correlation (DIC) results to analyze strain at fracture, the height of the sample at the time of fracture can be utilized to evaluate the ductility as well as well as the post-mortem thickness measurements. The sample of AZXW1000 material is missing in Figure 2.
- The authors are recommend to study the following papers dealing with RE magnesium alloys in which the improved ductility of the materials has been discussed, and include the articles in the Introduction section of the paper for completeness: Kurukuri et al. (2014, Metallurgical and Materials Transactions A, 45A:3321-3337), Abedini et al. (2018, International Journal of Solids and Structures, 144-145:1-19), Abedini et al. (Metals, 2018, 8,1013).
- In Figure 6, the authors are suggested to better describe how the “calculated” points have been obtained.
- Section 3 of the paper is extremely long without any sub-sections. Please split the section into several sub-sections.
Author Response
Please see the attachment
Author Response File: Author Response.pdf
