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Friction Material Elastic Constants Determination through FRF Measurements and Optimization

Brake NVH Standards Committee
  • Ground Vehicle Standard
  • J3013_201911
  • Current
Published 2019-11-20 by SAE International in United States
This SAE Standard specifies necessary procedures and control parameters in estimating anisotropic elastic constants of friction material based on pad assembly FRF measurements and optimization. It is intended to provide a set of elastic constants as inputs to brake NVH simulation, with the objective of ensuring pad assembly vibration correlation between simulation and measurements.
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Aluminum Alloy, Bar, Rod, Shapes, Structural Shapes, Tube, and Wire, Extruded: General Specification for

AMS D Nonferrous Alloys Committee
  • Aerospace Material Specification
  • AMSQQA200C
  • Current
Published 2019-11-19 by SAE International in United States
This specification covers the general requirements for aluminum alloy bar, rod, shapes, structural shapes, tube, and wire extruded. Specific requirements for these products in a particular alloy are covered by the applicable detailed specification (See 6.3).
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Deliverable Aerospace Software Supplement for AS9100A Quality Management Systems - Aerospace - Requirements for Software (Based on AS9100A)

G-14 Americas Aerospace Quality Standards Committee (AAQSC)
  • Aerospace Standard
  • AS9006B
  • Current
Published 2019-10-31 by SAE International in United States

The basic requirements of AS9100A apply with the following clarifications.

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Frequency Inspection of Brake System Components

Signalysis Inc.-Robert Cagle
Published 2019-09-15 by SAE International in United States
Frequency inspection has long been a tool utilized by manufacturers of brake system components as a means of quality control. This is important to combat perceived defectiveness of a system that experiences issues, such as brake squeal, as well as to identify actual defects in the parts going out to customers. Every component has its own resonance frequencies based on the dynamics of that component. Knowledge of the resonance frequencies of each component provides insight that can prevent manufacturers from sending out defective units, whether they be perceived defects or actual defects. NVH engineers who understand these phenomena perform theoretical analysis and acquire experimental data in the lab to gain insight into their parts that will eventually be produced on the assembly line. Unfortunately, the frequency requirements, and the consequences thereof, defined by the NVH engineers can still remain somewhat of a mystery to the manufacturing engineers who are tasked with applying them. Oversights in specifications can lead to avoidable scares that lead to delays and downtime. For example, differences in accelerometer placement on a…
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Bearings, Ball, Airframe, Antifriction, General Standard for

ACBG Rolling Element Bearing Committee
  • Aerospace Standard
  • AS7949C
  • Current
Published 2019-09-03 by SAE International in United States
This standard covers ball bearings in the -65 to +350 °F temperature range or as specified on the applicable drawing standards.
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Requirements for Plastic Encapsulated Discrete Semiconductors in Space Applications

CE-12 Solid State Devices
  • Aerospace Standard
  • AS6294/3
  • Current
Published 2019-08-07 by SAE International in United States
This document establishes the requirements for screening, qualification, and lot acceptance testing of Plastic Encapsulated Discrete Semiconductors (PEDS) for use in space application environments. The scope of this document is intended for standard silicon based technology only, but the process and methodology described within can be adopted for other technologies such as Silicon Carbide, Gallium Nitride, and Gallium Arsenide. However, when non-silicon based technology parts are being used, the device characterization shall be modified, and it is recommended to use available industry standards based upon published research/testing reports for those technology to address applicable physics of failure.
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Introduction to Advanced Manufacturing

Ramy Harik, Thorsten Wuest
  • Book
  • R-463
Published 2019-07-24 by SAE International in United States

Introduction to Advanced Manufacturing was written by two experienced and passionate engineers whose mission is to make the subject of advanced manufacturing easy to understand and a practical solution to everyday problems. Harik, Ph.D. and Wuest, Ph.D., professors who have taught the subject for decades, combined their expertise to develop both an applied manual and a theoretical reference that addresses many different needs.

Introduction to Advanced Manufacturing covers the following topics in detail:

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Filter Patch Testing Procedures for Aerospace Hydraulic Non-Rotating Equipment

A-6C1 Contamination and Filtration Committee
  • Aerospace Standard
  • ARP1302A
  • Current
Published 2019-07-15 by SAE International in United States
This SAE Aerospace Recommended Practice (ARP) provides a procedure for obtaining filter patch test samples from the following types of aerospace non-rotating hydraulic equipment: Mechanical/Hydraulic Units Electro/Hydraulic Units Pneumatic/Hydraulic Units
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High-Throughput Friction and Wear Tester

  • Magazine Article
  • TBMG-34739
Published 2019-07-01 by Tech Briefs Media Group in United States

There is a need for high-volume material testing/qualification but industry and researchers are currently limited by commercially available testing devices. Most wear testers can only handle one sample at a time and are often expensive.

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Training and Approval of Heat-Treating Personnel

AMS B Finishes Processes and Fluids Committee
  • Aerospace Standard
  • ARP1962B
  • Current
Published 2019-06-11 by SAE International in United States
This SAE Aerospace Recommended Practice (ARP) describes training and approval of personnel performing certain heat-treating and associated operations that could have a material impact on the properties of materials being heat treated. It also recommends that only approved personnel perform or monitor the functions listed in Table 1.
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