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Inspection and Maintenance of In-Use Motor Vehicles – Mitigating Environmental impact

International Centre For Automotive Tech-Aditya Gautam
International Centre For Automotive Tech.-Vijayanta Ahuja
  • Technical Paper
  • 2019-28-2427
To be published on 2019-11-21 by SAE International in United States
The existing rule no. 62 of CMVR, 1989 applies to various commercial vehicles and yet is unable to provide a promising template to have a concise format which will cover all the motor vehicles and their different components with more precise equipment plus virtual testing along with proper management of time during the bulk inspection of all the vehicles. This paper will include all the technicalities and the different course of actions which must be taken into account for the proper implementation of the desired regulations on the designated concern. The idea behind this paper is to have a compact procedural document for the periodical inspection and maintenance of all the motor vehicles running on the Indian Roads that adhere to the basic safety concerns of other on-road vehicles, the pedestrians and the surroundings. Concluding the fact that there are various aspects of environmental degradation henceforth we start by picking one of the hazards trying to execute a method to resolve every respective issue on a micro level, thus eliminating maximum threats onto the environment.…
 

Study of Mechanical Properties of Similar and Dissimilar Metals of Monel 400 and SS 321by using Gas Tungsten Arc Welding (GTAW) Process

Geethanjali College of Engg. and Tech.-Sudarshan Rikka, Devaiah Malkapuram
  • Technical Paper
  • 2019-28-0141
To be published on 2019-10-11 by SAE International in United States
ABSTRACT In the present study the fabrication of joints between the nickel base alloys and steels of various grades have been under taken, joining of these metals has assumed new importance by virtue of their widespread in nuclear and aerospace applications. Such joints provide excellent strength, oxidation and corrosion resistance. This paper deals with the study of weldability, and mechanical properties of weld joints of two different alloys such as nickel based alloy- monel 400 and austenitic stainless steel AISI 321. The joining of the similar and dissimilar metals is carried out by GTAW process by employing two different types of filler rods such as SS321 and ERNiCrMo-3. Mechanical properties such as Ultimate tensile strength, Young’s Modulus are found as per ASTM testing standards, percentage of elongation aslso found to know the joint efficiency and Microhardness survey across the weld joint to estimate the hardness variations at different locations such as Weld zone of the matel, Heat Affected Zone (HAZ), and Base metal. Key Words: GTAW process, UTS, Hardness, Nickel based alloy - monel 400…
 

Advances in Laser Welding of Stainless Steel Alloys

BSACIST-Varun Kumar Arulvizhi, Selvakumar Alandur Somasundaram, Mohammed Haareeskhan Niyaz, Pradeep Krishna Ranganathan, Afnan Zaid Moolai, Mohamed Ashfaq Ahmed Abdulla Burhanudeen, Mohan Raj Ramu
  • Technical Paper
  • 2019-28-0056
To be published on 2019-10-11 by SAE International in United States
As a fusion welding process, Laser welding has proven to be the most promising method for joining of different materials it can be either a similar or dissimilar material category. However, few complications still remain unanswered in joining of materials by laser process after successful implementation of laser’s by industries and also the commercial users in previous year’s such as workpiece preparation, fixture issues, atmospheric conditions, nozzle focus on the material, etc., This article will give an elaborate survey on joining of stainless steel alloys, though there are many factors to be considered in a survey article here we concentrated on the metallurgical behaviour and tensile properties of weldments joined by laser welding technique, because the main criteria for a weldment is to have a coarse grain boundary distribution which may be distorted due to high heat generation during a joining process and to possess good tensile strength in order to withstand the impacts given on the weldment when it is being practically deployed in usage. The material behavior of weldment is primarily based on…
 

Experimental Investigation Mechanical and Corrosion Characteristics of Friction Stir Welded Aluminum Alloy 7075-T6

Assistant Professor-Deepankumar S
  • Technical Paper
  • 2019-28-0175
To be published on 2019-10-11 by SAE International in United States
Friction Stir Welding (FSW) is a quite new solid-state joining process. This joining technique is energy efficient, environment friendly, and adaptable. In particular, it can be used to join high-strength Aluminium alloys and other metallic alloys that are difficult to weld by conventional fusion welding. Friction Stir Welding heats metal to the temperature below re crystallization. FSW avoids welding defects like porosity and hot cracking which are frequently in conventional welding techniques due to alloy’s very low re-crystallization temperature and higher heat dissipating nature. This process combining deformation heating and mechanical work to obtain high defect free joints. Aluminum alloy 7075-T6 is generally used in various industrial applications such as automobile, ship building and aerospace due to their light weight, good mechanical properties and high corrosion resistance. In the present study, aluminum alloy 7075-T6 was successfully made by friction stir welding technique. The Corrosion, micro structure analysis and mechanical behavior of the welded joints were investigated at different welding parameters.
 

Intelligent Real Time Inspection of Rivet Quality Supported by Human-Robot-Collaboration

PIKON Deutschland AG-Benjamin Duppe, Albert Schulz
ZeMA GmbH-Rainer Mueller, Matthias Vette, Tobias Masiak
  • Technical Paper
  • 2019-01-1886
To be published on 2019-09-16 by SAE International in United States
Aircraft production is facing various technical challenges, such as large product dimensions, complex joining processes and the organization of assembly tasks. Meeting the requirements that come with large dimensions, low tolerances and small batch sizes, in combination with complex joining processes, automation and labour-intensive inspection task, is often difficult to achieve in an economically viable way. ZeMA believes that a semi-automated approach is the most effective for optimizing aircraft section assembly. An effective optimization of aircraft production can be achieved with a semi-automated riveting process for solid rivets using Human-Robot-Collaboration in combination with an intuitive Human-Machine-Interaction operating concept. While using dynamic task sharing between human and robot based on their skills, and considering ergonomics, the determined ideal solution involves placing a robot inside the section barrel. The robot’s workspace is expanded by mounting it on top of a lifting unit so that it can properly position the anvil. In the meantime, the human performs the more complex tasks of inserting the solid rivets and operating the riveting hammer from the outside of the section barrel.…
 
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Use of Pb-Free Ball Grid Array Component Soldered Using SnPb Solder

G-24 Pb-free Risk Management Committee for ADHP
  • Aerospace Standard
  • ARP6415
  • Current
Published 2019-07-23 by SAE International in United States

This document contains information and guidance on the use of Pb-free ball grid arrays (BGAs) in an aerospace, defense, and high performance (ADHP) product, or other products which demand a high reliability.

 
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Aluminum Alloy, Clad One Side, Sheet, 1.25Mn - 0.12Cu (No. 11-0 Brazing Sheet), Annealed

AMS D Nonferrous Alloys Committee
  • Aerospace Material Specification
  • AMS4063F
  • Current
Published 2019-07-18 by SAE International in United States

This specification covers an aluminum alloy in the form of clad sheet from 0.006 to 0.249 inches (0.15 to 6.32 mm), inclusive, in thickness (see 8.6).

 
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Superfinishing of HVOF Applied Tungsten Carbide Coatings

AMS B Finishes Processes and Fluids Committee
  • Aerospace Material Specification
  • AMS2452
  • Current
Published 2019-07-15 by SAE International in United States
This specification covers requirements for the superfinishing of High Velocity Oxygen/Fuel (HVOF) applied tungsten carbide thermal spray coatings.
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Plating, Gold

AMS B Finishes Processes and Fluids Committee
  • Aerospace Material Specification
  • AMS2422F
  • Current
Published 2019-07-15 by SAE International in United States
This specification covers the requirements for electrodeposited gold plate.
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TERMINATION, SOLDER STYLE, INSULATED, HEAT-SHRINKABLE, ENVIRONMENT RESISTANT WITH MULTIPLE OPENING SEALANT, 150 °C AND 200 °C

AE-8C2 Terminating Devices and Tooling Committee
  • Aerospace Standard
  • AS83519/4
  • Current
Published 2019-06-13 by SAE International in United States
No Abstract Available.
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