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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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OEM Plastic Parts Repair

Motor Vehicle Council
  • Ground Vehicle Standard
  • J1573_201910
  • Current
Published 2019-10-24 by SAE International in United States
This SAE Recommended Practice defines the information required to repair the various types of plastics found on modern light-duty highway vehicles. Information is included for the repair and refinishing of most plastic body parts, both interior and exterior. Repair information is described for all commonly used plastics including, but not limited to, polyurethanes, polycarbonate blends, modified polypropylenes, polyethylenes and nylons. Repairs can be made to these types of plastics using two-part (2K) repair adhesives, plastic welding, and other materials available from body shop suppliers. When a new type of plastic is being introduced to the market through a new vehicle program, specific repair and refinishing procedures should be provided, following the format in this document. Sheet-molded compounds (SMC), fiber-reinforced plastics (FRP) and carbon fiber reinforced plastics can also be repaired using slightly different procedures and repair materials.
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Design and Analysis of Natural Fibre Reinforced Epoxy Composites for Automobile Hood

SRM Institute Of Science And Technology-Akhil Kumar Guduru, V N B Prasad Sodisetty, Vidya Prudhvi Sai Katari
Published 2019-10-11 by SAE International in United States
The need for eco-friendly materials is recently increasing in the automobile and aerospace sectors. Material selection for automobile components is influenced by various factors such as cost, weight and strength. Natural fibers offers various advantages over conventional materials such as environmental friendly, easily available, recyclable and higher specific strength. Among the natural fibers Sisal and Kenaf fibers are selected for present study due to their good mechanical properties and availability. Kenaf fibers have great potential to be used as construction and automotive materials due to their long fibers which are derived from the bast. Sisal fibers do not absorb moisture and possess good impact, sound absorbing properties and high fire resistance properties. Epoxy LY556 is selected as matrix material to bind the combination of these two natural fibers due to its high temperature resistance and adherence to reinforcements. Alkaline treatment was carried out to remove the moisture from the natural fibers. Fabrication of epoxy/Kenaf fibre/Sisal Fibre composite materials of different stacking sequence was carried out by Vacuum Assisted Resin Transfer Molding (VARTM) method. These composites…
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Design Analysis and 3D Printing of Non-Pneumatic Tyre

VNR VJIET-Prashanth Kannan, Amjad Shaik, Yogesh Kumar, Naga Sumanth Bareddy
Published 2019-10-11 by SAE International in United States
The major concern when implementing maneuvers are acceleration, braking and steering for the safety control which ultimately depends on the road and tyre surface friction. To withstand the vertical loads and maintain good traction with contact surface pneumatic tyres with high volume of pressurized air are required. To improve the comfort, handling and grip with low unsprung mass, non-pneumatic tyres are needed which are not reinforced with air pressure. The decreased effect of rolling resistance, added cushioning effect and better cellular shear band design increased the performance level than pneumatic tyres. Here, air is replaced by poly-composite spokes that eliminates the possibility of tyre going flat. This paper mainly discusses the environmental impact and stability issues of conventional pneumatic tyres and also focuses on the various possible design and components of an airless tyre. This paper also presents the modelling and analysis of non-pneumatic tyre followed by 3D printed sealed model using ABS (Acrylonitrile Butadiene Styrene) and TPU (Thermoplastic Polyurethane). Honeycomb structured cellular shear band made of polyurethane are tested with different shear band angles…
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Experimental Investigation on Mechanical Properties and Vibration Damping Frequency Factor of Kenaf Fiber Reinforced Epoxy Composite

Hindustan Institute of Technology and Science-Sathish Kumar Rajamanickam, Sivakumar Sattanathan, Deenadayalan Ganapathy, Joshuva Arockia Dhanraj
Sri Krishna College of Engineering and Technology-Vishnuvardhan Ravichandran
Published 2019-10-11 by SAE International in United States
Kenaf Fiber regarded as industrial crop for different applications. It is one of the most important plants cultivated for natural fibers globally. Natural fibers such as kenaf fibers are getting attention of researchers and industries to utilize it in different composites due to its biodegradable nature. In this present investigation mechanical properties, vibration damping frequency factor and thermogravimetric analysis of kenaf fiber reinforced epoxy composite (KFREC) have been evaluated and reported. The tests were conducted with different weight categories of kenaf fiber such as 20%, 25%, 30% and 35%. The effects of fiber content on tensile, flexural, impact strengths, hardness and thermal decomposition properties of the composite were determined. The failure mechanism and damage features of the KFREC were categorized using Scanning Electron Microscope (SEM). The results indicate that the increase in the fiber content decreases the damping vibration factor (ζ) correspondingly. The lowest value of the damping vibration factor was recorded as 0.033 for 35% weight content of Kenaf fiber in the composite. The maximum value of hardness, tensile, flexural, and impact strengths were…
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Exploration of Dry Sliding Wear Behaviour of Sisal Fiber Reinforced Cashew Nut Shell Liquid and Epoxy Polymer Matrix Composite as an Alternative Friction Material in Automobiles

Sri Krishna College of Engg. and Tech.-Soundararajan Ranganathan, Shanthosh Gopal, Tharunkumar Magudeeswaran, Ramamoorthi Rangasamy
Published 2019-10-11 by SAE International in United States
The brake pad is one of the foremost imperative parts of the vehicle. Due to the environmental requirement, natural materials were the alternate source for products manufacturing. The product composite made by using hot press techniques with mixing ingredients such as natural fiber (treated sisal), cashew nut filler, graphite and alumina with resin (cashew nut shell liquid - CNSL and epoxy). Two formulas and four samples of each set were composed by varying the resin type of CNSL and epoxy and prepared the test samples with attaining better hardness. The main intern of this proposed effort is to appraise the wear in dry sliding and performance of friction of the prepared composites. The composites are taken for tribo test by varying the load of 10,20,30,40 N and sliding distance of 1000, 2000 m respectively. Experiments were performed at stated process parametric conditions to record the responses. The result shows that the CNSL resin composites specific wear resistance and frictional coefficients are found better than epoxy resin composites. The addition of filler element cashew nut shell…
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High-Speed 3D Printer for High-Performance Plastics

  • Magazine Article
  • TBMG-35262
Published 2019-10-01 by Tech Briefs Media Group in United States

3D printers that build small parts layer by layer from melted plastic can take up to an hour to produce a pocket-sized piece. This process is far too slow for the mass-production of components as required by the automotive industry, for instance.

3D Printing Process Maximizes Performance for Paek Parts

  • Magazine Article
  • TBMG-35368
Published 2019-10-01 by Tech Briefs Media Group in United States

To help customers with an accelerated route to market for 3D printed polyaryletherketone (PAEK) parts, UK-based Victrex has developed differentiated 3D printing [additive manufacturing (AM)] machinery and software combination designed to produce high-strength parts from existing grades of high-performance thermoplastics. By linking the company’s material application and customer expertise with Bond’s 3D processing technology, the company produces functional, strong parts that contribute to maximizing performance of components.

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Clamp Material, Injection Molded

G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
  • Aerospace Standard
  • AIR1397B
  • Current
Published 2019-09-26 by SAE International in United States
This report presents the material properties and test requirements for an injection molded thermoplastic compound utilized for fabrication of AS1396 clamp block assembly.
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Automotive Engineering: September 2019

  • Magazine Issue
  • 19AUTP09
Published 2019-09-01 by SAE International in United States
Engineering the 2020 Chevrolet Corvette The eighth-gen (C8) Corvette is a creative mix of novel and traditional technical solutions - unleashed at a shockingly low base price.Stuck on structural adhesives As the need for lighter materials and enhanced body performance intensifies, structural adhesives flourish as a materials-joining solution.Rethinking ADAS materials New specialized thermoplastics offer greater design freedom to improve sensor performance and packaging, at reduced cost.Inside VW's expanding Silicon Valley lab The pioneering California innovation hub enters its third decade on a new wave of innovation.Editorial There is no substitute for 'Automotive Grade'Standards News SAE embraces micromobility and its macro challengesSupplier Eye The value - and risks - of Technology TestbedsWhat We're DrivingLatest mass-reducing innovations honored by AltairGM underway with plan to build U.S. electric-vehicle charging infrastructureFord 'cranks' it up with another big V8 for MustangZF shifts EV transmission efficiency up a gear2020 Hyundai Palisade: New chassis, Atkinson V6Ford returns to OHVs for new commercial-truck V8Q&A American Battery Solutions Inc.'s Subash Dhar