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Viewing 1 to 30 of 3636
2016-10-04
Event
Topics Include: Friction Stir Welding Advanced Material Joining Advanced Machining Additive Metals Manufacturing Advanced Forming and Fabrication Advanced Alloy Metals Advances in Titanium Advances in Aluminum
2016-09-27
Technical Paper
2016-01-2129
Antonio Rubio, Luis Calleja, Javier Orive, Ángel Mújica, Asunción Rivero
Aluminum skin milling is a very challenging process due to the high quality requirements needed in the aeronautic and aerospace industries. Nowadays, on these markets, there are just two technological approaches able to face the manufacturing of this sort of wide thin blanks: chemical and mechanical milling by means of highly complex machines. Both solutions lead to a high investment requirement that affect directly on the application profitability on these industrial sectors. This paper presents a flexible machining system that allows milling skin shaped parts within required tolerances by means of an innovative universal holding fixture combined with an adaptive toolpath development. This flexible holding fixture can be adapted to the required shape and can hold uniformly the whole sheet surface. Besides, the solution includes an implementation that can adapt the machining toolpath by means of the skin thickness online measurement.
2016-09-27
Technical Paper
2016-01-2125
Henry Hameister
This paper presents an approach to how existing production systems can benefit from Industry 4.0 driven concepts. This attempt is based on a communication gateway and a cloud-based system, that hosts all algorithms and models to calculate a prediction of the tool wear. Refill Friction Stir Spot Welding is a sub-section of friction welding, where a rotating tool that consists out of three parts is used to heat up material to a dough-like state. Since Refill Friction Stir Spot Welding produces a selective dot-shaped connection of overlapping materials, the production requirements are similar to riveting or resistance spot welding. In contrast to other bonding techniques, Refill Friction Stir Spot Welding can be integrated within the production process without major interferences or changes.
2016-09-18
Technical Paper
2016-01-1937
Taylor Erva, Adam Loukus, Luke Luskin
Aluminum metal matrix composite brake rotors with a selective ceramic function reinforcement gradient (FRG) have been developed for automotive applications. This paper will highlight the design, manufacturing, and testing of the rotors. Weight saving of an aluminum composite rotor in comparison to an industry standard cast iron rotor is 50-60%. With this material change comes design considerations to manage rotor temperature, rotor surface integrity, and friction. Manufacturing methods to meet these design constraints were needed to develop a viable high performance aluminum composite rotor. High pressure squeeze casting with soluble coring techniques were developed to incorporate the selective FRG MMC rotors. Dynamometer testing was performed, concentrating on brake friction and temperature to evaluate the macro and micro interfaces in the rotors.
2016-08-04
Magazine
Special report: Lightweighting Uncovering the next actions in the industry's grand mass-reduction campaign. CAE's next leap forward With 3D simulations skyrocketing, engineers are looking forward to highly-optimized toolsets to keep pace with complexity. SAE Convergence 2016 Preview Meet the disruptors, network with peers and learn about the latest tech solutions that are rapidly changing the auto industry. "Military-grade" aluminum Jaguar, Exa say simulation to eliminate prototypes by 2020 OEMs expand testing of FEV variable-compression ratio engine Growth of FCVs and EVs tied to infrastructure Bolt EV seat design cuts weight, delights tall passengers Rolls-Royce reveals a Vision of its future Volvo bets on new PowerPulse, not 48V, to attack turbodiesel 'lag' SEAT to spearhead VW's new platform and 48V technology Dr. Jay Baron of CAR discusses vehicle lightweighting and predicts the outcome of the crucial CAFE mid-term review.
2016-07-13
WIP Standard
AMS4367
This specification covers an aluminum alloy in the form of extruded rods, bars, and profiles (shapes) produced with maximum cross sectional area of 55.5 in2 (35 806 mm2) and a maximum circumscribing circle diameter (circle size) of 24.4 inches (620 mm) (see 8.4.1)
2016-07-13
WIP Standard
AMS4374
This specification covers an aluminum alloy in the form of extruded rods, bars, and profiles (shapes) produced with maximum cross sectional area of 56.1 square inches (36 193 mm2) and a maximum circumscribing circle diameter (circle size) or 20.2 inches (513 mm)
2016-07-12
Standard
AMS3807C
This specification covers aluminum foil tape with a pressure sensitive adhesive.
2016-07-12
Standard
AMS3779/1B
This specification covers thermal radiation resistant material in the form of tape with pressure-sensitive adhesive.
2016-07-12
Standard
AMS3779/2B
This specification covers thermal radiation resistant material in the form of tape with pressure-sensitive adhesive.
2016-05-25
Video
The auto industry's crusade to reduce vehicle weight is creating clever new manufacturing techniques. In this episode of SAE Eye on Engineering, Editor-In-Chief Lindsay Brooke looks at GM's new process which enables steel and aluminum to be welded together. SAE Eye on Engineering also airs Monday mornings on WJR 760 AM Detroit's Paul W. Smith Show. Access archived episodes of SAE Eye on Engineering.
2016-05-17
Standard
AMS4321B
This specification covers an aluminum alloy in the form of die forgings, hand forgings, and forging stock.
2016-04-13
WIP Standard
D16AB
This specification covers an aluminum alloy in the form of plate from 3.000 to 8.000 inches (76.2 to 203.2 mm) in thickness
2016-04-07
WIP Standard
AMS4640J
This specification covers an aluminum bronze alloy in the form of bars, rods, shapes, tubes, forgings, and forging stock.
2016-04-05
WIP Standard
AMS4284K
This specification covers an aluminum alloy in the form of permanent mold castings.
2016-04-05
Technical Paper
2016-01-0828
Ahmed A. Abdel-Rehim, Sayed Y. Akl
Abstract In the present study, the enhancement of an engine performance and emission characteristics by the addition of nanoparticles to the fuel is presented. In this regard, Aluminum Oxide (Al2O3) Nanoparticles were utilized as fuel additive in a single cylinder, direct injection four stroke diesel engine. Two percentages of 0.1 and 0.5% by weight of Al2O3 were tested and compared to regular diesel fuel. The results showed that nano-sized aluminum oxide can improve the performance of diesel engines and reduce the emission of pollutants like CO2 and HC compared to conventional diesel fuel. Furthermore, the results indicated that the nanofuel with nanoparticle concentration of 0.5 % gives better performance characteristics in comparison with that of 0.1 %. However, the only downside of the nanoparticle addition was the relative increase in CO emissions at low loads.
2016-04-05
Technical Paper
2016-01-0348
Nan Wang, Sergey Golovashchenko
Abstract Stamping die design recommendations attempt to limit the production of burrs through accurate alignment of the upper and lower trimming edges. For aluminum automotive exterior panels, this translates to a clearance less than 0.1 mm. However, quality of sheared edge and its stretchability are affected by stiffness of the cutting tool against opening of the clearance between the shearing edges. The objective of the study is to investigate the influence of stiffness of trimming or piercing dies against opening of the cutting clearance on sheared edge stretchability of aluminum blanks 6111-T4. For experimental study, one side of the sample had sheared surface obtained by the trimming process while the other side of the sample had a smooth surface achieved by metal finish. Burr heights of the sheared edge after different trimming configurations with 10% clearance were measured.
2016-04-05
Journal Article
2016-01-0501
Seung Hoon Hong, Frank Yan, Shin-Jang Sung, Jwo Pan, Xuming Su, Peter Friedman
Abstract Failure mode and fatigue behavior of flow drill screw (FDS) joints in lap-shear specimens of aluminum 6082-T6 sheets with and without clearance hole are investigated based on experiments and a structural stress fatigue life estimation model. Lap-shear specimens with FDS joints were tested under cyclic loading conditions. Optical micrographs show that the failure modes of the FDS joints in specimens with and without clearance hole are quite similar under cyclic loading conditions. The fatigue lives of the FDS joints in specimens with clearance hole are longer than those of the FDS joints in specimens without clearance hole for the given load ranges under cyclic loading conditions. A structural stress fatigue life estimation model is adopted to estimate the fatigue lives of the FDS joints in lap-shear specimens under high-cycle loading conditions.
2016-04-05
Technical Paper
2016-01-0406
Akihiko Asami, Tomoyuki Imanishi, Yukio Okazaki, Tomohiro Ono, Kenichi Tetsuka
Abstract High-tensile steel plates and lightweight aluminum are being employed as materials in order to achieve weight savings in automotive subframe. Closed-section structures are also in general use today in order to efficiently increase parts stiffness in comparison to open sections. Aluminum hollow-cast subframe have also been brought into practical use. Hollow-cast subframe are manufactured using sand cores in gravity die casting (GDC) or low-pressure die casting (LPDC) processes. Using these manufacturing methods, it is difficult to reduce product thickness, and the limitations of the methods therefore make the achievement of weight reductions a challenge. The research discussed in this paper developed a lightweight, hollow subframe technology employing high-pressure die casting (HPDC), a method well-suited to reducing wall thickness, as the manufacturing method. Hollow-casting using HPDC was developed as a method of forming water jackets for water-cooled automotive engines.
2016-04-05
Journal Article
2016-01-1198
Pascal Schmalen, Peter Plapper, Wayne Cai
Abstract Laser welding of dissimilar metals such as Aluminum and Copper, which is required for Li-ion battery joining, is challenging due to the inevitable formation of the brittle and high electrical-resistant intermetallic compounds. Recent research has shown that by using a novel technology, called laser braze-welding, the Al-Cu intermetallics can be minimized to achieve superior mechanical and electrical joint performance. This paper investigates the robustness of the laser braze-welding process. Three product and process categories, i.e. choice of materials, joint configurations, and process conditions, are studied. It is found that in-process effects such as sample cleanness and shielding gas fluctuations have a minor influence on the process robustness. Furthermore, many pre-process effects, e.g. design changes such as multiple layers or anodized base material can be successfully welded by process adaption.
2016-04-05
WIP Standard
AMS4285F
This specification covers an aluminum alloy in the form of centrifugal castings.
2016-04-05
Journal Article
2016-01-0104
Khalil Maalouf, David Stull, Keith Nicholas
Abstract In copper wire, real time crimp monitoring has traditionally been based on force measurement during the crimp cycle. The force attributed to molding the copper wire into the terminal is a significant portion of the total force needed to form the crimp. Therefore, any wire deviation from the norm is translated into a force pattern aberration that can be detected using basic signal pattern analysis. As the mobility industry is contemplating replacing copper with aluminum wire, in order to save on weight and material cost, the traditional force monitoring becomes ineffective in detecting wire faults in the crimp. The reason is that aluminum is softer than copper, and most of the force exerted during the crimp cycle is consumed by forming the copper terminal itself. The small force deviation due to an aluminum wire fault becomes much more difficult to detect. Therefore, a new technique is needed to monitor crimped aluminum wires.
2016-03-23
WIP Standard
AMS4085E
This specification covers an aluminum alloy in the form of sheet.
2016-03-23
WIP Standard
AMS4212L
This specification covers an aluminum alloy in the form of castings.
2016-03-23
WIP Standard
AMS4031J
This specification covers an aluminum alloy in the form of sheet and plate supplied in the annealed (O) condition. When specified, product shall be supplied in the "as fabricated" (F) temper.
2016-03-23
WIP Standard
AMS4213B
This specification covers an aluminum alloy in the form of plate.
2016-03-23
WIP Standard
AMS4183B
This specification covers an aluminum alloy in the form of extruded profiles.
2016-03-23
WIP Standard
AMS4221E
This specification covers an aluminum alloy in the form of plate 1.5 inches (38 mm) and over in nominal thickness.
2016-03-22
WIP Standard
AMS3415E
This specification covers an aluminum brazing flux in granular form. This product has been used typically for dip brazing of aluminum and aluminum alloys at temperatures above 1050 degrees F (564 degrees C), but usage is not limited to such applications.
Viewing 1 to 30 of 3636

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