... 09 2010 31 10 2011 27 12 2011 27 12 2011 error compensation forming processes friction metalworking pipes process control In recent years, the tube hydroforming (THF) process has received increased attention in the automotive and aerospace industries owing to its...

... obtained with optimal shearing conditions. 30 03 2011 17 11 2011 15 12 2011 15 12 2011 fracture metal stamping metalworking punching shearing steel Edge fracture is one of the major issues for stamping advanced high strength steel (AHSS). In addition to the material...

... cold working ductile fracture forming processes hot working metalworking plasticity product design ductile fracture metal forming plasticity Reviews of ductile fracture criteria are provided, for example, in Refs. 1 2 3 . Upsetting is a typical test for determining parameters...

...Seounghyun Ham; Shiv G. Kapoor; Richard E. DeVor; John Wentz Microfiltration is an in-process recycling method that shows great potential to extend fluid life and reduce bacterial concentrations in synthetic and semisynthetic metalworking fluids. The primary problem facing the use...

.... 24 11 2008 04 09 2009 26 10 2009 blanking design engineering finite element analysis friction metal stamping metalworking Monte Carlo methods process design response surface methodology rolling sheet materials sheet metal processing statistical distributions steel...

... behavior model that will incorporate both the resistive and flow effects from the electricity. 30 07 2007 21 07 2008 21 04 2009 aluminium alloys deformation electric current electric heating finite element analysis fixtures hot working metalworking yield stress Many...

...-based machining including laser welding, cutting, and drilling ( 2 3 ). laser-induced metal process scaling laws generalized equation front tracking sharp interface method evaporation laser materials processing melting metalworking solidification 05 03 2008 07 12...

... of the material, as the grain size increased at the miniature scale, was explained by the Hall–Petch relationship and the feature size effect. 12 05 2007 19 05 2008 22 07 2008 metalworking stainless steel microforming coining size effect stainless steel Over the past...

...John E. Wentz; Shiv G. Kapoor; Richard E. DeVor; N. Rajagopalan In this paper, the fouling of sintered α -alumina membranes by an uncontaminated semisynthetic metalworking fluid (MWF) is addressed. Experimental evidence of the form of flux reduction curves, scanning electron microscope images...

... ). electrical discharge machining metal processing hole-fabrication deep narrow hole tool control electrical discharge machining dielectric devices wear drilling metalworking machine tools electrodes 21 06 2006 02 02 2007 Jameson , E. C. , 2001 , Electrical...

... 2005 extrusion metalworking dies (machine tools) friction In analyzing metal forming processes, it is difficult to model the actual deformation process and to mathematically derive and find the exact solutions. Different idealized models can be developed to approximate real world...

...M. H. Greeley; R. E. DeVor; S. G. Kapoor; N. Rajagopalan This paper discusses the influence of metalworking fluid management policy and operational changes on metalworking fluid functionality in terms of lubricating and cooling ability. Several important pathways for metalworking fluid depletion...

...Fu Zhao; Marcy Urbance; Steven J. Skerlos This paper discusses the development of a mechanistic model that describes the rate of flow reduction (i.e., flux decline) for a semi-synthetic metalworking fluid (MWF) during the application of microfiltration for extended MWF reuse and recycling...

...W. A. Gordon,; C. J. Van Tyne, and; S. Sriram 08 07 2004 extrusion machining forming processes deformation metalworking machine tools Equation (26) should read W ˙ f = π R 0 2 σ 0 v 0   2 m 3   ∫ r 0 / R 0...

...Joseph J. Eppert, Graduate Research Assistant; Richard E. DeVor, Professor; Shiv G. Kapoor, Professor; N. Rajagopalan, Senior Research Engineer Certain components found in metalworking fluid formulations are known to be prone to selective depletion via adsorption onto the surfaces of particulate...

... on the tool face. machining metalworking Machining is a major manufacturing process, which is important in making industry more competitive. In fact, more manufacturers are using near-dry (minimum quantity lubrication-MQL), dry and hard machining instead of conventional and abrasive processes...

... March 2002 01 June 2003 11 11 2003 machining metalworking The physics of metal cutting involves complex interactions among a multitude of phenomena such as plasticity, friction, heat generation, heat flow, material damage and phase changes that are dealt with in separate...

... in a process control system. forming processes metalworking process control 01 April 2002 01 December 2002 23 07 2003 Contributed by the Manufacturing Engineering Division for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING . Manuscript received April...

... April 2001. Associate Editor: R. Smelser. 01 Aug 1999 01 April 2001 extrusion machining forming processes deformation metalworking machine tools Over the last several years the shape of extrusion dies has undergone a variety of changes. With the advent of sophisticated...

... processes controllers flow control process control metalworking Sheet metal stamping is an important manufacturing process because of its high speed and low cost for mass production. Figure 1 shows a schematic of a simplified stamping process. The basic components are a punch, and a set...