Search Results - "Mattfeld, P."

FE-analysis and in situ visualization of pressure-, slip-rate-, and temperature-dependent coefficients of friction for advanced sheet metal forming: development of a novel coupled user subroutine for shell and continuum discretization by Klocke, F., Trauth, D., Shirobokov, A., Mattfeld, P.

“…In sheet metal forming simulations using finite element method, the coefficient of friction according to Coulomb is normally assumed to be constant for the…”
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Dependencies of the die-roll height during fine blanking of case hardening steel 16MnCr5 without V-ring using a nesting strategy by Voigts, H, Trauth, D, Feuerhack, A, Mattfeld, P, Klocke, F

“…For economic reasons, fine blanking of asymmetric parts is performed with shifted and rotated part nesting. It was observed that both the part position and the…”
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Model-based monitoring of temperatures and heat flows in the milling cutter by Augspurger, T., Da Silva, G., Schraknepper, D., Mattfeld, P., Bergs, T.

“…The quantification of the heat flow distribution in the cutting zone is still an unsolved problem from an analytical as well as experimental perspective. Yet…”
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Analysis of wear phenomena during forward extrusion under dry friction conditions by Hild, R., Bergs, T., Mattfeld, P., Trauth, D., Klocke, F., Hoffmann, D.C., Kruppe, N.C., Brögelmann, T., Bobzin, K.

“…Tools in cold forging processes experience high loads. In order to reduce the process loads, solid and liquid lubricants are used. The use of lubricants is…”
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Tribological studies on self-lubricating (Cr,Al)N+Mo:S coatings at elevated temperature by Bobzin, K., Brögelmann, T., Kruppe, N.C., Hoffmann, D.C., Klocke, F., Mattfeld, P., Trauth, D., Hild, R.

“…Due to the high material utilization and the associated resource and energy efficiency, production processes from the field of cold forging of steel are of…”
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Synthesis, characterization, and tribological evaluation of HPPMS (Cr1−xAlx)N+MoSy coatings by Bobzin, K., Brögelmann, T., Kruppe, N.C., Basturk, S., Klocke, F., Mattfeld, P., Trauth, D., Hild, R.

“…Lubricants are applied to reduce friction between workpieces and tools in many processes, such as cold forging. Due to significant advances in solid lubricant…”
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Analysis of the Velocity Distribution of an Elliptic Surface Structure Manufactured by Machine Hammer Peening by Trauth, D., Feuerhack, A., Mattfeld, P., Klocke, F.

“…Machine hammer peening (MHP) is an incremental forming process for surface structuring of technical workpieces or tools. Currently, MHP strongly attracts the…”
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Deep rolling of fine blanking punch edges by Klocke, F, Shirobokov, A, Trauth, D, Mattfeld, P

“…Fine blanking is an economical process to manufacture components with a high sheared edge quality. Fine blanking of high-strength steels leads to an increase…”
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Investigation of the surface integrity and fatigue strength of Inconel718 after wire EDM and machine hammer peening by Trauth, D., Klocke, F., Welling, D., Terhorst, M., Mattfeld, P., Klink, A.

“…Highly stressed turbine blades made of Inconel718 (DIN NiCr19NbMo (2.4668); ASTM B637; UNS N07718) have to satisfy stringent requirements regarding durability…”
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Analysis of the fluid pressure, load capacity, and coefficient of friction of an elliptic machine hammer peened surface structure in hydrodynamic lubrication by Trauth, D., Stanke, J., Shirobokov, A., Mattfeld, P., Klocke, F.

“…Recently, the velocity distribution within an elliptical machine hammer peened (MHP) surface structure was discussed by solving analytically the Reynolds…”
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Evaluation of the shear stresses on surface structured workpieces in dry forming using a novel pin-on-cylinder tribometer with axial feed by Trauth, D., Bastürk, S., Hild, R., Mattfeld, P., Brögelmann, T., Bobzin, K., Klocke, F.

“…In production engineering cold forging processes are of great importance due to the high material utilization and the associated energy and resource…”
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Advancement of a nanolaminated TiHfN/CrN PVD tool coating by a nano-structured CrN top layer in interaction with a biodegradable lubricant for green metal forming by Bobzin, K., Bagcivan, N., Immich, P., Warnke, C., Klocke, F., Zeppenfeld, C., Mattfeld, P.

“…After many essential applications e.g. in the field of machining, PVD tool coatings (physical vapour deposition) materially gain importance for metal forming…”
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Dependencies of the die-roll height during fine blanking of case hardening steel 16MnCr5 without V-ring using a nesting strategy: An experimental analysis of the influences of nesting, sheet metal anisotropy, stroke number and part geometry by Voigts, H., Trauth, D., Feuerhack, A., Mattfeld, P., Klocke, F.

“…For economic reasons, fine blanking of asymmetric parts is performed with shifted and rotated part nesting. It was observed that both the part position and the…”
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Mathematical modeling of ceramic bond bridges in grinding wheels by Rom, M., Brakhage, K.-H., Barth, S., Wrobel, C., Mattfeld, P., Klocke, F.

“…Ceramic-bonded grinding wheels with cubic boron nitride (CBN) as grain material belong to the most efficient grinding tools available. They feature a high…”
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Deep rolling of fine blanking punch edges: Numerical and experimental investigation of a novel deep rolling tool for filleting of cylindrical punches by Klocke, F., Shirobokov, A., Trauth, D., Mattfeld, P.

“…Fine blanking is an economical process to manufacture components with a high sheared edge quality. Fine blanking of high-strength steels leads to an increase…”
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Friction analysis of alternative tribosystems for a foil free forming of stainless steel using strip drawing test: analysis of physicochemical interactions between coatings and lubricants by Klocke, F., Trauth, D., Terhorst, M., Mattfeld, P.

“…Forming of stainless steel sheets with stringent requirements on surface quality is currently realized using protective foils as a separating agent between the…”
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Strategy use of older adults on the Ruff Figural Fluency Test by Nissley, H.M., Mattfeld, P., Schmitter-Edgecombe, M.

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Strategy use of older adults on the Ruff Figural Fluency Test by Nissley, H.M., Mattfeld, P., Schmitter-Edgecombe, M.

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