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Materiale Plastice
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https://doi.org/10.37358/Mat.Plast.1964

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Materiale Plastice (Mater. Plast.), Year 2017, Volume 54, Issue 2, 214-220

https://doi.org/10.37358/MP.17.2.4819

Gheorghe Radu Emil Maries, Dan Chira, Constantin Bungau, Traian Costea, Liviu Moldovan

Determining the Influence of the Processing Temperature by Injection and of the Subsequent Pressure on the Surface’s Hardness and Indentation Modulus of the Products Made of HDPE, PMMA, PC+ABS through Nanoindentation - G-Series Basic Hardness Modulus at a Depth Method


Abstract:
The first part of the paper presents the influence of the processing temperature by injection of HDPE, of PMMA, and PC+ABS blend on the indentation hardness and on the indentation modulus, when other factors that can influence the injection remain unchanged. The second part of the paper presents the influence of subsequent pressure by injection of HDPE, PMMA, and PC+ABS blend on the indentation hardness and on the indentation modulus, when the other factors remain unchanged. The HDPE samples were obtained at the following injection temperatures: 180, 190, 200, 210, and 220°C, and at the following subsequent pressures: 800 bar, 900 bar, 1000 bar, 1100 bar, and 1200 bar. The PMMA samples were obtained at the following injection temperatures: 220, 230, 240, 250, and 260°C, and at the following subsequent pressures: 450, 550, 650 , 750, and 850 bar. The PC+ABS samples were obtained at the following injection temperatures: 230, 240, 250, 260, and 270°C, and at the following subsequent pressures: 500 bar, 600 bar, 700, 800, and 900 bar. The G-Series Basic Hardness Modulus at a Depth method was used to obtain the indentation hardness and the indentation modulus. It was observed that by increasing the processing temperature and subsequent pressure, in the case of HDPE, leads to an increase in indentation hardness and in indentation modulus. It was observed that increasing the processing temperature by injection in the case of PMMA, from 220 to 250°C, leads to a slight increase in indentation hardness and in indentation modulus, whereas increasing the subsequent pressure of PMMA, from 450 bar to 850 bar, leads to a slight decrease in indentation hardness and in the indentation modulus. Increasing the processing temperature by injection in the case of PC+ABS, from 230 to 250°C, leads to a slight increase in indentation hardness and in indentation modulus. By further increasing the processing temperature by injection, from 250 to 270°C, leads to a decrease in indentation hardness and in the indentation modulus. Alternatively, increasing the subsequent pressure from 500 bar to 900 bar leads to not only a decrease in indentation hardness but also to a decrease in the indentation modulus.


Keywords:
high density polyethylene (HDPE); polymethyl methacrylate (PMMA); acrylonitrile butadiene styrene polycarbonate blend (PC+ABS); indentation hardness; indentation modulus

Issue: 2017 Volume 54, Issue 2
Pages: 214-220
Publication date: 2017/6/30
https://doi.org/10.37358/MP.17.2.4819
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Creative Commons License
This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
MARIES, G.R.E., CHIRA, D., BUNGAU, C., COSTEA, T., MOLDOVAN, L., Determining the Influence of the Processing Temperature by Injection and of the Subsequent Pressure on the Surface’s Hardness and Indentation Modulus of the Products Made of HDPE, PMMA, PC+ABS through Nanoindentation - G-Series Basic Hardness Modulus at a Depth Method, Mater. Plast., 54(2), 2017, 214-220.

Vancouver
Maries GRE, Chira D, Bungau C, Costea T, Moldovan L. Determining the Influence of the Processing Temperature by Injection and of the Subsequent Pressure on the Surface’s Hardness and Indentation Modulus of the Products Made of HDPE, PMMA, PC+ABS through Nanoindentation - G-Series Basic Hardness Modulus at a Depth Method. Mater. Plast.[internet]. 2017 Apr;54(2):214-220. Available from: https://doi.org/10.37358/MP.17.2.4819


APA 6th edition
Maries, G.R.E., Chira, D., Bungau, C., Costea, T. & Moldovan, L. (2017). Determining the Influence of the Processing Temperature by Injection and of the Subsequent Pressure on the Surface’s Hardness and Indentation Modulus of the Products Made of HDPE, PMMA, PC+ABS through Nanoindentation - G-Series Basic Hardness Modulus at a Depth Method. Materiale Plastice, 54(2), 214-220. https://doi.org/10.37358/MP.17.2.4819


Harvard
Maries, G.R.E., Chira, D., Bungau, C., Costea, T., Moldovan, L. (2017). 'Determining the Influence of the Processing Temperature by Injection and of the Subsequent Pressure on the Surface’s Hardness and Indentation Modulus of the Products Made of HDPE, PMMA, PC+ABS through Nanoindentation - G-Series Basic Hardness Modulus at a Depth Method', Materiale Plastice, 54(2), pp. 214-220. https://doi.org/10.37358/MP.17.2.4819


IEEE
G.R.E. Maries, D. Chira, C. Bungau, T. Costea, L. Moldovan, "Determining the Influence of the Processing Temperature by Injection and of the Subsequent Pressure on the Surface’s Hardness and Indentation Modulus of the Products Made of HDPE, PMMA, PC+ABS through Nanoindentation - G-Series Basic Hardness Modulus at a Depth Method". Materiale Plastice, vol. 54, no. 2, pp. 214-220, 2017. [online]. https://doi.org/10.37358/MP.17.2.4819


Text
Gheorghe Radu Emil Maries, Dan Chira, Constantin Bungau, Traian Costea, Liviu Moldovan,
Determining the Influence of the Processing Temperature by Injection and of the Subsequent Pressure on the Surface’s Hardness and Indentation Modulus of the Products Made of HDPE, PMMA, PC+ABS through Nanoindentation - G-Series Basic Hardness Modulus at a Depth Method,
Materiale Plastice,
Volume 54, Issue 2,
2017,
Pages 214-220,
ISSN 2668-8220,
https://doi.org/10.37358/MP.17.2.4819.
(https://revmaterialeplastice.ro/Articlegs.asp?ID=4819)
Keywords: high density polyethylene (HDPE); polymethyl methacrylate (PMMA); acrylonitrile butadiene styrene polycarbonate blend (PC+ABS); indentation hardness; indentation modulus


RIS
TY - JOUR
T1 - Determining the Influence of the Processing Temperature by Injection and of the Subsequent Pressure on the Surface’s Hardness and Indentation Modulus of the Products Made of HDPE, PMMA, PC+ABS through Nanoindentation - G-Series Basic Hardness Modulus at a Depth Method
A1 - Maries, Gheorghe Radu Emil
A2 - Chira, Dan
A3 - Bungau, Constantin
A4 - Costea, Traian
A5 - Moldovan, Liviu
JF - Materiale Plastice
JO - Mater. Plast.
PB - Materiale Plastice SRL
SN - 2668-8220
Y1 - 2017
VL - 54
IS - 2
SP - 214
EP - 220
UR - https://doi.org/10.37358/MP.17.2.4819
KW - high density polyethylene (HDPE)
KW - polymethyl methacrylate (PMMA)
KW - acrylonitrile butadiene styrene polycarbonate blend (PC+ABS)
KW - indentation hardness
KW - indentation modulus
ER -


BibTex
@article{MatPlast2017P214,
author = {Maries Gheorghe Radu Emil and Chira Dan and Bungau Constantin and Costea Traian and Moldovan Liviu},
title = {Determining the Influence of the Processing Temperature by Injection and of the Subsequent Pressure on the Surface’s Hardness and Indentation Modulus of the Products Made of HDPE, PMMA, PC+ABS through Nanoindentation - G-Series Basic Hardness Modulus at a Depth Method},
journal = {Materiale Plastice},
volume = {54},
number = {2},
pages = {214-220},
year = {2017},
issn = {2668-8220},
doi = {https://doi.org/10.37358/MP.17.2.4819},
url = {https://revmaterialeplastice.ro/Articlegs.asp?ID=4819}
}
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