The method to produce 100 units of foam

The first thesis report is Flexural Rigidity in Beams, written by Zious Karis, Arcada university of applied sciences, 2017. Available at: http://www.theseus.fi/bitstream/handle/10024/138541/Zious%20Thesis%20Final.pdf?sequence=1&isAllowed=y .

The title is related to a course I have just achieved, Lamina Analysis. The topic of this thesis is flexural rigidity of beams, focus particularly on investigate and determine the bending stiffness of beams with different cross sections of the same material properties. Quantitative research is used and suitable for the case. I would chose the same method in researching and evaluating for this topic, the result is performed and compared in numbers, which make it more convincing.

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The result of a solid fiberglass and a sandwich beam, which is obtained theoretically from CCSM1 software and experimentally from material bending machine, helps to support the thesis and leads to two main conclusion. Firstly, the sandwich constructions are lightweight, have high quality of flexural rigidity and other mechanical properties, and suitable in engineering applications. Secondly, the orientation and geometrical dimensions of components importantly influence the specific strength, stability, and deflection requirements of designed structure.

 

 

The second thesis report is Manufacturing Methods of Foam for U-Value Meters, written by Stuart Buddle, Arcada university of applied sciences, 2017. Available at: http://www.theseus.fi/bitstream/handle/10024/133446/Manufacturing%20Methods%20of%20Foam%20for%20U-Value%20Meters.pdf?sequence=1&isAllowed=y

This title is quite new for me, I have never studied about Foam U-Value Meter before, so I chose this thesis to extend my knowledge in this matter. The topic of this thesis is to find the best method to produce 100 units of foam insulation for U–value meters, cost and manufacturing time are also considered in the studying process. Quantitative research method is used and satisfy the studied subject by SWOT Analysis2. I totally agree with the author and would chose the same method for the similar work.

In conclusion, none of studied methods reached the optimal time and money manufacturing a quantity of 100 units of foam insulation. In particular, there are three methods evaluated in the thesis: milling, DIY3 method and steam Expanded Polystyrene (EPS). Each method is analyzed and compared via SWOT Analysis. EPS is suitable for running large production (200 units) instead of medium one due to high initial cost and extensive preparation. Meanwhile, milling and DIY are just feasible due to the problem of gap between short and long run productions.

 

The third thesis report is Production of Polylactic acid in laboratory scale, and characterising the thermal properties, written by Shristi Basnet, Arcada university of applied sciences, 2016. Available at: http://www.theseus.fi/bitstream/handle/10024/113855/Basnet_Shristi.pdf?sequence=1&isAllowed=y

Althought polylactic acid (PLA) is a familiar polymer, producing it from starch is interesting topic and encourages me deeply get some information about the production of this acid in laboratory. The research topic is to manufacture PLA from corn starch and study the thermal properties of starch-based plastic produced in laboratory. Quantitative research method is more convincing and I totally agree with the author choice in this case.

The results obtained from differential scanning calorimetric (DSC) test and Thermogravimetric analysis (TGA) are high in quality and effective in support the thesis result. In conclusion, the material created from corn sample is similar to polylactic acid. By controlling sample quality and processing temperature, the corn-based material can be physically or chemically modified to replace polylactic acid in injection molding, extruding or 3Dprinting manufacturing process.

1 CCSM: composite compressive strength modeler

2 SWOT Analysis: an analytical tool for the methods’ Strengths, Weaknesses, Opportunities and Threats.

3 DIY: do it yourself