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Keywords: fracture
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. September 2022, 144(9): 091010.
Paper No: MANU-22-1091
Published Online: May 19, 2022
...Tom Zhang; Y. Lawrence Yao Metal foam is an excellent lightweight material with promising industrial applications. Laser forming has been studied and shown to be a viable non-contact method to shape metal foam panels into desired geometry without fracturing the foam’s cellular structure. However...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Manuf. Sci. Eng. January 2017, 139(1): 011002.
Paper No: MANU-16-1141
Published Online: August 8, 2016
...%, indicative that LSP keeps hydrogen from permeating into the metal. Similarly for the high strength steel, LSP treating limited the hardness changes from hydrogen to less than 5%. Mechanical U-bends subjected to Mattsson's solution, NaCl, and MgCl 2 environments are analyzed, to determine changes in fracture...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Manuf. Sci. Eng. December 2013, 135(6): 061016.
Paper No: MANU-13-1195
Published Online: November 18, 2013
..., evaluation of an actual component subjected to design fatigue loads did not result in premature failure as anticipated by specimen testing. Metallography, residual stress, static strength and elongation, fracture toughness, crack growth, and the effect of post processing operations such as machining...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2012, 134(1): 011010.
Published Online: January 13, 2012
.... However, the increase in punching speed can involve new strain and fracture mechanisms which are characteristic of the dynamic loading. In high energy rate forming processes the effect of temperature versus time gradient on the material properties becomes important due to the heat accumulated from plastic...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2012, 134(1): 011005.
Published Online: January 12, 2012
... detection. 09 07 2010 14 10 2011 12 01 2012 12 01 2012 clutches crack detection feature extraction fracture leak detection machine tools machining chatter pistons seals (stoppers) shapes (structures) surface structure wavelet transforms wavelet decomposition 3D...
Topics: Wavelets, Leakage
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. December 2011, 133(6): 061018.
Published Online: December 15, 2011
.... The hole expansion test is used to evaluate the effect of shear edge conditions on the edge stretchability. The results show that an optimal selection of the die clearance and the shearing angle results in a less damaged edge, which significantly delays edge fracture in the forming process and increases...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. October 2011, 133(5): 051001.
Published Online: August 30, 2011
..., resistance spot welding (RSW) process of 1.25 mm thick dual-phase steel DP780 with and without the external magnetic field applied has been experimentally investigated. Impacts of the EMS method on nugget appearance, quasi-static performance, fatigue life, and fracture morphology have been systematically...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Manuf. Sci. Eng. August 2011, 133(4): 044502.
Published Online: August 11, 2011
... fracture internal stresses machine tools rods (structures) springs (mechanical) stress analysis torsion wear winding (process) combined loads in plasticity residual stresses spring coiling helical spring cold-wounded spring The elastoplastic problem of combined bending and torsion...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Manuf. Sci. Eng. August 2011, 133(4): 044501.
Published Online: July 20, 2011
... roughness and eventually to the fracture of the glass sample during the machining. In a material removal context—in opposition with polishing—feed rate should be carefully chosen since it is the most influential parameter on the surface finish. To maximize productivity while obtaining low-valleys surface...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Manuf. Sci. Eng. April 2011, 133(2): 024501.
Published Online: March 7, 2011
... of brittle fracturing was established. The experiments are intended to assist in the optimization of the grinding process as technology dominant in the granite finishing. 18 12 2009 19 01 2011 07 03 2011 07 03 2011 brittle fracture brittleness cracks cutting grinding...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. December 2010, 132(6): 061004.
Published Online: October 19, 2010
...Chinmaya R. Dandekar; Yung C. Shin Metal matrix composites, due to their excellent properties of high specific strength, fracture resistance, and corrosion resistance, are highly sought after over their nonferrous alloys, but these materials also present difficulty in machining. Excessive tool wear...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. December 2010, 132(6): 061005.
Published Online: October 19, 2010
.... In this article, experiments were carried out on aluminum foils to study the forming limits and fracture of thin films in LDF. The deformation depth was measured by an optical profilometer and the formed feature was observed using a focused ion beam and a scanning electron microscope. Meanwhile, a finite element...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. April 2010, 132(2): 021001.
Published Online: March 26, 2010
... model are elaborated and, as a result, a relatively simple formula is proposed to calculate the minimum bending radius from the reduction in the area at fracture, the strain hardening exponent, and the yield stress, which are material parameters available from tensile tests. The aim of the present...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Manuf. Sci. Eng. December 2009, 131(6): 064507.
Published Online: December 4, 2009
... that occurs form cracks, causes chipping of full grains or their pieces. The result is brittle fracture. Finally, Imanaka et al. ( 23 ) compared chip formation in brittle and tough materials and concluded that in brittle material machining, the formation of finely crushed particles of various forms emerges...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. April 2009, 131(2): 021008.
Published Online: March 18, 2009
...Gracious Ngaile; Chen Yang Common part failures in tube hydroforming include wrinkling, premature fracture, and unacceptable part surface quality. Some of these failures are attributed to the inability to optimize tribological conditions. There has been an increasing demand for the development...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. August 2008, 130(4): 041001.
Published Online: July 8, 2008
... variable BHF in the presence of process uncertainties by minimizing the magnitude of wrinkling and fracture defects under probabilistic constraints. To demonstrate the efficacy of this approach, it analyzes the conical cup drawing of an aluminum killed deep-drawing quality steel under process uncertainties...