Impact comparative study of phone carcasses behavior by FEM

2015 Global Conference on Polymer and Composite Materials

材料科学;化学

Constantin, Cruu^1 ; Plvnescu, Simona^1 ; Dumitru, Nedelcu^1

Technical University Gheorghe Asachi of Iasi, Blvd. Mangeron, No. 59A, Iasi

700050, Romania^1

关键词: Biodegra-dable materials;    Comparative studies;    High density polyethylene(HDPE);    Impact behavior;    Maximum displacement;    Numerical simulation method;    Scientific researches;    Voltage increase;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/87/1/012100/pdf
DOI  :  10.1088/1757-899X/87/1/012100

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

A constant concern of scientific research is based on plastics replace with biodegradable materials that reduce the adverse impact of waste on the environment. A biodegradable material that arouses interest lately is Arboform which is made of lignin, a component of wood and woody plants. Replacing plastic with Arboform in carrying components of products requires technical and economic studies on the implications of such replacement. Numerical simulation methods are a fast and economical way of analyzing the behavior of a product in various mechanical, thermal, electromagnetic and so on. The paper presents comparative results of numerical simulation using the software package SolidWorks impact behavior through the "Drop Test" of half shells made of High Density Polyethylene (HDPE) and of the Arboform LV3 Nature. Simulation watched the half-carcass behavior in three cases of accidental impact, "head", "corner" and the "back side". We analyzed the size and location of the maximum voltage and maximum deformation resulting from impact. Simulations have shown for all three cases a maximum voltage increase when using Arboform to use PEDH 93% for impact "forward" and "corner" and only 48.77% "back side" impact. If the maximum displacement, it increasing from carcasses of Arboform 4% for impact "head" and 6% for impact "corner", but fell by 2.7% for the "back side" impact. The significant increase of stress can be attributed to the higher density of Arboform to PEDH, which led to different weights of the two half-carcasses.