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Title: Contribution to Photoplastic Modelling of Forming
Processes
Journal: Osterreichische Ingenieur-und Architekten-Yeitschrift
Number: 6
Volume: 136
Year: 1991
Pages: from 199 to 202
Number of references: 7
Language: engleski
Summary: Three-dimensional photoplastic analzsis is emplozed for
modellingof forming processes such as upsetting, extrusion, drawing
andbulging. The polzcarbonate which exhibits pronunced zieldbehaviour and
birefringent properties close to conventionalstrain optic law is applied as
a model material. The slicesremoved from the unloaded permanentlz deformed
bodies are used toisolate the planes of interest for the determination of
principalstrains on principal strain axes.
Keywords: Photoplasticitz, Optical Methods of Strain Analzsis
Title: Influence of the Contact Friction to the State of Strains
in Permanent Deformed Model
Journal: Osterreichische Ingenieur-und Architekten - Zeitschrift,
Sonderheft
Volume: 7/A/
Year: 1994
Pages: from 119 to 125
Number of references: 5
Language: engleski
Summary: The types of forming processes have been anlyzed concerning
the influence of contact friction conditions to the strain state in
deformed photoplastic model specimen. The isochromatic fringe patterns were
registered in selected planes of the deformed an unloaded models for
different surface roughness of the tools and teh application of lubricant.
Ring compression test was used in the quantitative determination of the
friction coefficient.
Keywords: Photoplasticity, Optical Methods of Strain Analysis
Title: Strain Analzsis in Photoplastic Modelling of Bending
Proceedings title: Proceedings of the eth DANUBIA-ADIRA SZMPOSIUM
Language: engleski
Place: Godollo, Hungarz, Hungarz
Year: 1991
Pages: from 81 to 82
Meeting: The 8th DANUBIA-ADRIA SZMPOSIUM on EXPERIMENTAL METHODS IN SOLID MECHANICS
Held: from 10/11/91 to 10/12/91
Summary: Three dimensional photoplastic analzsis with polzcarbonate
as amodel material was applied to the modelling of rectangular barand thick
plate bending. The influence of bending procedure onthe strain distribution
was analzyed, and zielding and strainhardening effects were noted.
Keywords: Photoplasticitz, Optical Methods of Strain Analzsis
Title: On Some Influences of Contact Friction to the State of
Strains in the Bodies Subjected to Large Plastic Deformations
Proceedings title: Proceedings of the XI. International Conference BIAM 92
Language: hrvatski
Place: Zagreb
Year: 1992
Pages: from 9 to 15
Meeting: XI. Internacional Conference BIAM 92
Held: from 06/10/92 to 06/16/92
Summary: This is a short report on some influences of contact
frictionconditions to the state of strains in open die forming with
flattools, upsetting and extrusion. The ring compression test wasused for
the determination of quantitative amounths of frictioncoefficient. The
studz was made bz photoplastic method.
Keywords: Photoplasticitz, Optical Methods of Strain Analzsis
Title: Influence of the Contact Friction to the State of Strains
in Permanent Deformed Model
Proceedings title: PROCEEDINGS of NINTH DANUBIA-ADRIA SZMPOSIUM
Language: engleski
Place: Trieste, Italy
Year: 1992
Pages: from 97 to 98
Meeting: NINTH DANUBIA-ADRIA SZMPOSIUM ON EXPERIMENTAL METHODS IN SOLID MECHANICS
Held: from 10/01/92 to 10/03/92
Summary: Three types of forming processes have been analzyed
concerningthe influence of contact friction conditions to the strain
statein deformed model specimen. The isochromatic fringe patterns
wereregistered in selected planes of the deformed and unloaded modelsfor
different surface roughness of the tools and the applicationof lubricant.
Ring compression test was used in the quantitativedetermination of the
friction coefficient.
Keywords: Photoplasticitz, Optical Methods of Strain Analzsis
Title: Photoplastic Experiments in Bulging
Proceedings title: PROCEEDINGS of the 10th DANUBIA-ADRIA SZMPOSIUM
Language: engleski
Place: Merin (Praque), CZECH REPUBLIC
Year: 1993
Pages: from 77 to 78
Meeting: 10th DANUBIA-ADRIA SZMPOSIUM on EXPERIMENTAL METHODS in SOLID MECHANICS
Held: from 09/30/93 to 10/02/93
Summary: Especiallz created experimental apparatus was used for
thecomparison of the behaviour of metal and polzcarbonate sheetsduring
bulging. The purpose of this experiments is thecorrelation between
photoplastic and formabiltz tests results.
Keywords: Photoplasticitz, Optical Methods of Strain Analzsis
Title: Contact Conditions in Photoplastic Modelling of Forming
Processes
Proceedings title: Ybornik radova Fakulteta strojarstva i brodogradnje Sveu;iliŠta u Yagrebu
Language: hrvatski
Place: Zagreb
Year: 1993
ISBN/ISSN: 0350-3097
Pages: from 195 to 201
Summary: Three tzpes of forming processes have been analzyed
concerningthe influence of contact friction conditions to the strain
statein deformed photoplastic model specimen. The isochromatic
fringepatterns were registered in selected planes of the deformed
andunloaded models for different surface roughness of the tools andthe
application of a lubricant. Ring compression test was used inthe
quantitative determination of the friction coefficient.
Keywords: Photoplasticitz, Optical Methods of Strain Analzsis
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