The Experts below are selected from a list of 30 Experts worldwide ranked by ideXlab platform

Ertugrul Selcuk Erdogan - One of the best experts on this subject based on the ideXlab platform.

  • Effects of manufacturing defects on Thermoformed Product quality
    Usak University Journal of Material Sciences, 2014
    Co-Authors: Olcay Eksi, Ertugrul Selcuk Erdogan
    Abstract:

    In this study, 5% and 15% in weight carbon fiber reinforced polypropylene (PP) sheets were formed under appropriate vacuum and temperature conditions by using truncated cone-shaped thermoforming mold. In addition to this, 5% in weight glass fiber reinforced High Density Polyethylene (HDPE) sheets were formed using truncated cone-shaped, cylindrical, and cubic shaped thermoforming molds by thermoforming. Composite sheets used in this work were produced with a laboratory-type plastic extruder which has a screw diameter of 50 mm. In Production of HDPE composite sheets, as a reinforcing material, chopped glass fibers (E-glass) which were provided from glass fiber manufacturer SISECAM A.S. Company were used. Using the same procedure PP (Borealis BE50-7032) thermoplastic granules were used as a matrix material in Production of carbon fiber composite sheets. In carbon fiber reinforced sheets, chopped fibers were added during manufacturing. After thermoforming, composite semi-Products were examined by visual inspection. Visual defects that affect Product quality were obtained. Also carbon fiber distribution was investigated on different sections which were taken from the Thermoformed semi-Products by Scanning Electron Microscopy (SEM). Through this experimental study, it is aimed to investigate the effect of defects during plastic extrusion on Thermoformed Product quality.

Olcay Ekşi A - One of the best experts on this subject based on the ideXlab platform.

  • Effects of manufacturing defects on Thermoformed Product quality
    2020
    Co-Authors: Olcay Ekşi A
    Abstract:

    In this study, 5% and 15% in weight carbon fiber reinforced polypropylene (PP) sheets were formed under appropriate vacuum and temperature conditions by using truncated cone-shaped thermoforming mold. In addition to this, 5% in weight glass fiber reinforced High Density Polyethylene (HDPE) sheets were formed using truncated cone-shaped, cylindrical, and cubic shaped thermoforming molds by thermoforming. Composite sheets used in this work were produced with a laboratory-type plastic extruder which has a screw diameter of 50 mm. In Production of HDPE composite sheets, as a reinforcing material, chopped glass fibers (E-glass) which were provided from glass fiber manufacturer SISECAM A.S. Company were used. Using the same procedure PP (Borealis BE50-7032) thermoplastic granules were used as a matrix material in Production of carbon fiber composite sheets. In carbon fiber reinforced sheets, chopped fibers were added during manufacturing. After thermoforming, composite semi-Products were examined by visual inspection. Visual defects that affect Product quality were obtained. Also carbon fiber distribution was investigated on different sections which were taken from the Thermoformed semiProducts by Scanning Electron Microscopy (SEM). Through this experimental study, it is aimed to investigate the effect of defects during plastic extrusion on Thermoformed Product quality. ©2014 Usak University all rights reserved.

Olcay Eksi - One of the best experts on this subject based on the ideXlab platform.

  • Effects of manufacturing defects on Thermoformed Product quality
    Usak University Journal of Material Sciences, 2014
    Co-Authors: Olcay Eksi, Ertugrul Selcuk Erdogan
    Abstract:

    In this study, 5% and 15% in weight carbon fiber reinforced polypropylene (PP) sheets were formed under appropriate vacuum and temperature conditions by using truncated cone-shaped thermoforming mold. In addition to this, 5% in weight glass fiber reinforced High Density Polyethylene (HDPE) sheets were formed using truncated cone-shaped, cylindrical, and cubic shaped thermoforming molds by thermoforming. Composite sheets used in this work were produced with a laboratory-type plastic extruder which has a screw diameter of 50 mm. In Production of HDPE composite sheets, as a reinforcing material, chopped glass fibers (E-glass) which were provided from glass fiber manufacturer SISECAM A.S. Company were used. Using the same procedure PP (Borealis BE50-7032) thermoplastic granules were used as a matrix material in Production of carbon fiber composite sheets. In carbon fiber reinforced sheets, chopped fibers were added during manufacturing. After thermoforming, composite semi-Products were examined by visual inspection. Visual defects that affect Product quality were obtained. Also carbon fiber distribution was investigated on different sections which were taken from the Thermoformed semi-Products by Scanning Electron Microscopy (SEM). Through this experimental study, it is aimed to investigate the effect of defects during plastic extrusion on Thermoformed Product quality.

Tomasz Jaruga - One of the best experts on this subject based on the ideXlab platform.

  • Computer simulation of thermoforming process and its verification using a Rapid Tooling mould
    MATEC Web of Conferences, 2018
    Co-Authors: Michał Modławski, Tomasz Jaruga
    Abstract:

    The results of computer simulation of thermoforming process made using ANSYS Polyflow software are presented in this paper. The analysis of the wall thickness distribution across an U-shaped Thermoformed Product manufactured using a positive mould was made. The simulation results were verified using a mould manufactured in a 3D printing process which was Fused Deposition Modelling (FDM) and a poly(ethylene terephthalate) formed sheet. It was proven that the computer simulation and a tool made with a Rapid Tooling technology can be useful for predicting the quality of a Thermoformed part, particularly to find the problems with thin-walled areas.

義行 正坊地 - One of the best experts on this subject based on the ideXlab platform.

  • flame retardant sheet made from polyester resin composition and Thermoformed Product thereof
    1992
    Co-Authors: Akira Shimoma, Yoshiyuki Shiyoubouchi, 昌 下間, 義行 正坊地
    Abstract:

    PURPOSE:To obtain a thermoformable film or sheet excellent in toughness and flame retardancy by using a resin composition prepared by mixing a specified polyester with a specified polypropylene resin and a flame retardant and a flame retardant aid in a specified ratio. CONSTITUTION:The title sheet is prepared from a resin composition prepared by mixing 100 pts.wt. total of 77-100wt.% polyester consisting mainly of repeating units of ethylene terephthalate and 23-0wt.% polypropylene copolymerized with ethylene and maleic anhydride with 10-30 pts.wt. at least one flame retardant desirably selected from among a brominated phenoxy resin, a brominated epoxy resin, a brominated polystyrene resin and a brominated polycarbonate resin (including oligomers thereof) and 0-15 pts.wt. at least one flame retardant aid desirably selected from among Sb2O3, Sb2O4, Sb2O5, a mixture thereof and sodium salts thereof.