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Mechanical Property Evaluation of Paper Honeycomb reinforced Plastics

Hyundai Motor India Engineering Pvt Ltd.-Vignesh Balaji S G, Pradeep S, Aakash S K
  • Technical Paper
  • 2019-28-2538
Published 2019-11-21 by SAE International in United States
Mechanical Property Evaluation of Paper Honeycomb Reinforced Plastics Vignesh Balaji S G, Pradeep Hyundai Motor India Engineering Pvt. Ltd, Chennai. India Key Words: Paper Honeycomb, Epoxy Composites, Mechanical Properties, Tensile, Impact & Flexural Test Research and/or Engineering Questions/Objective : Composite Materials are widely being used in many engineering applications because of their desirable properties & Cost, Weight Effectiveness. They are widely being used as their Strength-Weight Ratio is Higher than any Other Material. Paper Honeycomb Material is basically a paper made of honeycomb shapes enforced between layers of Glass Mat. This paper deals with the evaluation of Tensile Strength, Flexural (Three-Point Bending) Strength & Flexural Modulus, Impact Strength of Paper Honeycomb Reinforced Epoxy Composites. The Scope of this Material defines the quality of Paper Honeycomb Reinforced Composites which can be used for Automotive Trim Parts. Methodology: Before beginning the tests, the specimens should be prepared and the steps for the preparation of paper honeycomb reinforced epoxy composites are shown below: 1. Mould Preparation 2. Mixing of Epoxy and Hardener with a ratio of 10:1 3.…
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Study on effect of HVAC Air Flow Distribution on Windows Fogging

Hyundai Motor India Engineering-Santhosha Vigneshwaran, Eeshan Geel, G Sundrasekaran
  • Technical Paper
  • 2019-28-2414
Published 2019-11-21 by SAE International in United States
Windshield & Windows fogging up in cars has long been a topic of interest & concern. Lot of research has already been put into Front/Rear windshield fogging up issue and, Defrosters, Heated Windshields have been designed to remove the fog effectively. However, Windows Fogging up is still one of the major concerns faced while driving, as it obscures the drivers' field of vision and raises safety concerns. Windows fogging up is a phenomenon in which Moisture is condensed on the glass of the window. It is classified into two categories - Inside Fogging and Outside Fogging. When Ambient temperature is lower than the cabin temperature, the moisture is condensed on the inside surface of the glass. In this case the moisture is added inside the cabin by the occupants when they exhale air. Similarly when the Cabin temperature is lower than the ambient temperature, the moisture from atmosphere is condensed on the outer surface of the glass. A Survey with 500 Indian Customers has been conducted to understand the occurrence of Windows fog up issue…
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Chevy reveals 2020 Corvette Stingray convertible, C8.R racer

Automotive Engineering: November/December 2019

Bill Visnic
  • Magazine Article
  • 19AUTP11_14
Published 2019-11-01 by SAE International in United States

Reinforcing the Corvette's long association with astronauts, Chevrolet unveiled the convertible version of its all-new, mid-engine-layout 2020 Corvette Stingray in Cape Canaveral in early October. Executive chief engineer Tadge Juechter, underscoring the car's no-compromises performance and comparatively affordable price, called it a “no-lose proposition” for enthusiasts considering the new Corvette but also desiring a more open-top experience. When it goes into production in the first quarter of 2020, the Corvette Stingray convertible will start at $67,495 - $7,500 more than the 2020 Stingray coupe, which was widely celebrated for its aggressive $59,995 base price.

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New-Vehicle Collision Repair Information

Motor Vehicle Council
  • Ground Vehicle Standard
  • J2376_201910
  • Current
Published 2019-10-28 by SAE International in United States
This SAE Recommended Practice defines the various types of information required by the collision repair industry to properly restore light-duty, highway vehicles to their pre-accident condition. Procedures and specifications are defined for damage-related repairs to body, mechanical, electrical, steering, suspension, and safety systems. The distribution method and publication timeliness are also considered.
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Optimization of RF Magnetron Sputtering Parameters for Deposition of Zinc Oxide Semiconductor Film at Moderate Temperature of 100°C

Gwangju Institute of Science and Technology-Seong-Ju Park
PRIST-Amutha Surabi Muthukarappan
Published 2019-10-11 by SAE International in United States
Zinc oxide semiconductor thin films are deposited on glass substrate at different RF magnetron sputtering parameters. The deposited films were characterized as a function of substrate - target distance, gas flow ratio, working pressure and RF power. X-ray diffraction, Field emission scanning electron microscopy, and hall measurement were utilized to analyze the effect of the deposition condition on the structure, surface morphology and electrical properties of ZnO thin films. The deposition conditions were optimized to give good quality films suitable for the application of flexible or invisible flat panel display. All the films were deposited at 100°C.
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Analogy of Thermal Properties of Polyamide 6 Reinforced with Glass Fiber and Glass Beads through FDM Process

Sri Krishna College of Engg and Tech.-Soundararajan Ranganathan, Hari Nishok Rangasamy Suguna Thangaraj, Aravind Kumar Vasudevan, Dharshan Karthick Shanmugan
Published 2019-10-11 by SAE International in United States
The essential target of this examination is to compare the morphological and thermal properties of two different polyamide composite blends with inventive thermal properties. The polyamide-6 (PA6) reinforced with 10, 20 and 30 wt. % glass fiber (GF) and PA6 reinforced with 10, 20 and 30 wt. % glass beads (GB) are the two different polyamide composite blends extruded in form of wire by twin screw extrusion process. The experimental study illustrates to print the specimens by means of Fusion Deposition Modeling (FDM) based Three-Dimensional (3D) printer. The responses like morphology, Thermal Conductivity (TC) and Heat Distortion Temperature (HDT) of composites were observed. From the scanning electron microscope (SEM) analysis equal distribution of higher 30wt% GF and GB in the PA6 matrix was observed. The results compare the increasing thermal properties of the 3D printed specimen like TC and HDT with the enhancement of beads content during the investigation. The GB are crystalline material which improves the thermal properties of the PA6 matrix and the GF are dimensionally stable material that can provide high modulus…
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Natural and Artificial Weathering of Automotive Leather, Leatherette and Textile

Mahindra & Mahindra, Ltd.-Elavarasan Palaniappan
Published 2019-10-11 by SAE International in United States
This paper presents the natural and artificial weathering behavior of different soft skin materials such as leather, leatherette and textiles used for automotive seat cover applications. The objective of this study was to understand the physical and aesthetical changes occurring at these flexible materials under sun UV light and heat exposure. The natural weathering study under glass exposure was carried out as per ASTM G 24 at natural weathering site location and artificial weathering as per SAE J2412 at lab. The material was observed for surface changes such as color, texture, crack and physical changes like flexibility and hardness during the exposure. The sample exposed at natural weathering data for every 15 days were recorded, and artificial weathering for every 100 hours were recorded. Light and dark color materials were tested to understand the effect of color and UV light resistance as well as various textures were studied to understand the effect of various texture and texture retention under UV.The study was also carried out at two different period in a year and the data…
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Application of Response Surface Method to Optimize Waterjet Cutting Process Parameter of Glass Fiber Reinforced Polymer Matrix Laminates

VIT-Savitoj Singh Aulakh, Dhanush Patil, Renold Elsen, Sangeet Aggarwal
Published 2019-10-11 by SAE International in United States
Waterjet machining is a widely used advanced machining technique because of its versatility in removal of material for a wider range of materials. Waterjet machining is particularly advantageous in the precise cutting of advanced materials like Fiber Reinforced Polymers (FRPs) comparative to conventional machining methods. The conventional machining methods result in the release of high amount of glass fiber dust which leaves the work environment unsafe for the workers. The material dust if inhaled can lead to acute respiratory diseases. In this work an analysis was done on the cutting performance of Waterjet machining and is presented based on an experimental investigation on fabricated fiberglass reinforced laminates. It is shown that with a good combination of cutting parameters such as nozzle traverse speed, waterjet pressure, and Stand-off distance a cutting performance can be achieved. Plausible trends of kerf quality and machining time with respect to the waterjet pressure, nozzle traverse speed and nozzle stand-off distance are analysed. The surface roughness and machining time has been optimized using DOE techniques for achieving proper machining characteristics and…
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Atomically Thin Heat Shield Protects Electronic Devices

  • Magazine Article
  • TBMG-35266
Published 2019-10-01 by Tech Briefs Media Group in United States

Excess heat given off by smartphones, laptops, and other electronic devices contributes to malfunctions and, in extreme cases, can even cause lithium batteries to explode. To guard against issues, engineers often insert glass, plastic, or layers of air as insulation to prevent heat-generating components like microprocessors from causing damage.

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Motor Vehicle Brake Fluid

Brake Fluids Standards Committee
  • Ground Vehicle Standard
  • J1703_201909
  • Current
Published 2019-09-13 by SAE International in United States
This SAE Standard covers motor vehicle brake fluids of the nonpetroleum type, based upon glycols, glycolethers, and appropriate inhibitors, for use in the braking system of any motor vehicle such as a passenger car, truck, bus, or trailer. These fluids are not intended for use under arctic conditions. These fluids are designed for use in braking systems fitted with rubber cups and seals made from styrene-butadiene rubber (SBR), or a terpolymer of ethylene, propylene, and a diene (EPDM).
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