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1. |
Record Nr. |
UNIPARTHENOPE000013200 |
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Titolo |
Le indagini campionarie sui bilanci delle famiglie italiane : Perugia, 8-9 febbraio 1985 |
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Pubbl/distr/stampa |
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[Roma] : Banca d'Italia, 1986 |
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Descrizione fisica |
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Collana |
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Contibuti all'analisi economica , 1120-0871 |
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Collocazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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2. |
Record Nr. |
UNINA9910265655703321 |
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Autore |
Monti, Silvana |
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Titolo |
Il teatro... se vi piace / Silvana Monti |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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3. |
Record Nr. |
UNINA9910636899203321 |
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Autore |
Gallo, Max |
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Titolo |
Garibaldi : la forza di un destino / Max Gallo |
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Pubbl/distr/stampa |
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Milano, : Tascabili Bompiani, 2000 |
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Descrizione fisica |
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Collana |
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Disciplina |
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Locazione |
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Collocazione |
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Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Trad. di Renata Carloni Valentini |
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4. |
Record Nr. |
UNINA9910522998403321 |
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Autore |
Golenkov Vyacheslav Aleksandrovich |
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Titolo |
Theory and technology of roll stamping / / Vyacheslav Aleksandrovich Golenkov, Sergey Yuryevich Radchenko, Daniil Olegovich Dorokhov |
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Pubbl/distr/stampa |
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Cham, Switzerland : , : Springer, , [2022] |
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©2022 |
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ISBN |
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Edizione |
[1st edition.] |
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Descrizione fisica |
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1 online resource (308 pages) |
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Disciplina |
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Soggetti |
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Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di bibliografia |
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Includes bibliographical references. |
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Nota di contenuto |
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Intro -- Introduction -- Contents -- 1 Analysis of Methods for the Production of Axisymmetric Parts with Given Specifications -- 1.1 Workpiece Forming Methods and Their Effects on the Mechanical and Physical Properties of Metals -- 1.2 Classification of Roll Stamping Processes -- 1.3 Hardening by Metal Forming Methods -- References -- 2 Development of the Calculation Procedure for Production Processes of Metal Forming -- 2.1 Traditional Methods of Metal Forming Process Calculation -- 2.2 Mathematical Problem Definition for Metal Forming -- 2.3 Solving Problems of Elastoplastic Deformation by the Finite Element Method -- 2.3.1 Calculation of Temperature Fields -- 2.3.2 Calculation of Displacements, Deformations and Stresses -- 2.4 Accuracy Estimation Algorithms -- 2.4.1 Results Accuracy Estimation -- 2.4.2 Posterior Estimates Based on the Duality Method -- 2.4.3 Posterior Estimates Based on Calculations Using Grids of Different Densities -- 2.5 Defining a Finite Element Grid -- 2.6 Main Aspects of the Numerical Solution of MF Problems -- 2.7 Analysis of Elastoplastic Models Using Dedicated Software Packages -- References -- 3 Roll Stamping of Long Bar Stock -- 3.1 Analysis of the Stress-Strain State During Roll Stamping of a Strand-Shaped Workpiece -- 3.2 Experimental Studies of Roll Stamping of Long Bar Stock -- 3.3 Long Bar Stock Roll Stamping Process Refinement -- References -- 4 Roll Stamping of Piece Blanks -- 4.1 Metal Flow Specifics During Roll Stamping -- 4.2 Neutral Cross-sectional Angle |
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and Roll Stamping Process Kinematics -- 4.3 Conditions and Specifics of Workpiece Axial Tightening During Roll Stamping -- References -- 5 Force Parameters of Roll Stamping -- 5.1 Roll Stamping Stages, Analysis of Changes in Working load, and Factors Affecting the Force Parameters of the Deformation Process. |
5.2 Influence of the Relative Deformation Rate on the Workpiece Rotation Condition -- References -- 6 Mathematical Modeling of Roll Stamping -- 6.1 Main Objectives and Solution Methods -- 6.2 The Procedure for Calculating Tool Loads During Roll Stamping -- 6.3 Calculation of Roll Stamping Process Parameters During the Piercing Stage -- 6.4 Calculation of Roll Stamping Process Parameters at Roll Burnishing Stage -- 6.5 Stress and Deformation Distribution in the Workpiece Cross Section at the Roll Burnishing Stage -- 6.6 Calculation of the Roller Force and Contact Stress, Punch Force, Required and Created Moments -- 6.7 Methodology for Calculating the Maximum Permissible Relative Workpiece Deformation Rate -- 6.8 Distribution of Normal Stresses on the Tool During Roll Stamping -- References -- 7 Main Production Processes of Roll Stamping -- Reference -- 8 Local Strain Hardening -- 8.1 Problem Definition -- 8.2 Calculation of Kinematic and Force Parameters of Roll Burnishing -- 8.3 Mathematical Modeling of Roll Burnishing -- 8.4 Experimental Studies of Roll Burnishing -- References -- 9 Hardening by Complex Local Deformation -- 9.1 Roll Burnishing with Braking Torque -- 9.1.1 The Effect of the Braking Force Applied to the Roller on the Deformation Rate -- 9.1.2 Multi-cycle Roll Burnishing -- 9.2 Roll Burnishing with Forming and Smoothing Tools -- 9.3 Analysis of the Results of Study of the Forming Tool Shape and Geometry for Hardening by Complex Local Loading of the Deformation Zone -- 9.4 Mathematical Modeling of Complex Local Deformation -- 9.5 Justification of Odqvist Parameter as the Generic Criterion for Comparing Physical and Mathematical Modeling Results -- 9.6 Influence of the Forming Tool Geometry and Its Indentation Depth on the Stress-Strain State of the Workpiece in a Single Act of Deformation. |
9.7 Influence of Axial Compression on the Stress-Strain State of the Workpiece During Hardening by Complex Local Loading of the Deformation Zone -- 9.8 Study of the Influence of Process Conditions on the Processes of Hardening by Complex Local Loading of the Deformation Zone -- References -- 10 Complex Local Deformation Processes and Methods of Their Design -- 10.1 Classification of Complex Local Deformation Processes -- 10.2 Workflow Processes of Complex Local Deformation by Roll Burnishing -- 10.3 Methodology for Designing MF Methods Based on Complex Local Loading of the Deformation Zone -- 10.3.1 Determining Parameters of Roll Burnishing with Braking Torque -- 10.4 Methodology for Designing Roll Burnishing Processes with Forming and Smoothing Tools Using the Odqvist Parameter -- 10.4.1 Problem Definition for Design of Metal Forming Processes with Complex Local Loading of the Deformation Zone, Allowing Formation of Gradient-Hardened Structures in Metals and Alloys in a Controlled Manner -- 10.4.2 Recommendations for the Selection of Process Parameters in the Design of Metal Forming Methods with Complex Local Loading of the Deformation Zone, Allowing Forming Gradient-Hardened Structures in Metals and Alloys in a Controlled Manner -- 10.5 New Processes of Hardening by Complex Local Loading of the Deformation Zone -- 10.5.1 The Process of Hardening by Complex Loading of the Deformation Zone to Obtain Various Mechanical Properties Along the Workpiece Length -- 10.5.2 The Process of Hardening by Complex |
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Loading of the Deformation Zone for Forming Using Various Tools in a Single Processing Cycle -- References. |
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