Al-Si Alloys Casts by Die Casting: A Case Study

ISBN-13: 9783030251499 / Angielski / Miękka / 2019 / 71 str.

Juraj Ruzbarsky

Spis treści

Introduction

1. Current State of the Art

1.1.Die Casting of Metals

1.2.Characteristics of Die Casting of Metals

1.3.Basic Methods of Die Casting of Metals

1.3.1.Hot-chamber Machines

1.3.2.Cold-Chamber Machines

1.4.Special Methods  of Die Casting  of Metals

1.5.Basic Construction Elements of Die Casting Machines Designed for Metal Die Casting

1.5.1.Machine Drive

1.5.2.Locking Mechanism of a Machine

1.5.3.Pressing Mechanism

1.6.Machine Auxiliary Equipment

1.6.1.Dosing Device

1.6.2.Cast Unloading Device

1.6.3.Mould Treatment Device

1.6.4.Trimming Press

1.6.5.Device for Auxiliary Heating of Working Fluid

1.7.Process of Die Casting of Metals

1.7.1.Metal Flowing

1.8.Mould Cavity Filling

1.9.Technological Parameters of  Die Casting of Metals

1.9.1.Pressing  Speed

1.9.2.Working Pressure

1.9.3.Time  of Mould Cavity  Filling

1.9.4.Heat Ratio in Die Casting of Metals

1.10.Moulds  for Die Casting  of Metals

1.10.1.Gating System

1.10.2.Mould Venting

1.11.Casts in Die Casting

1.11.1.Technological Properties of Casts

1.11.2.Use Properties of Casts

1.11.3.Cast Defects

1.12.Properties of Alloys at Crystallization Interval

1.13.Aluminium Alloys for Die Casting

1.13.1.Aluminium

1.13.2.Al-Si Alloys

1.13.3.Additive Elements and their Influence on Al-Si Alloys

1.14.Returnable Material

2. Analysis of the Production Process

3. Characteristics  of the Cast  – Testing Sample

4. Characteristics  of Technological Parameters

4.1.Pressing Speed

4.2.Working Pressure

4.3.Temperature of the Melt and of the Mould

5.Cast Testing

5.1.Examined Strength Properties of the Casts

5.2.Examined Use  Properties  of the Casts

6.Characteristics of a Production Process

7.Characteristics  of the Cast

8.Technological Parameters of Die Casting

9.Assessment of Tensile Strength  Rm

10.Assessment of Cast Porosity

11. Perspectives

O autorze

Juraj Ružbarský is an Associate Professor at the Technical University of Kosice, Slovakia, since 2011. He started as an assistant professor and now he is an associate professor. His field of research lies in the following areas: Manufacturing technologies, automobile production, agricultural engineering, technology of industry, die casting technology, special tools, metal physics, Stainless and heat resistant materials, manufacturing technology in the food industry, operational and technological processes, coating technology, plastics processing technology, technical systems for production control and manufacturing technology. He is member of the editorial board of management systems in Production Engineering, the reviewer projects for the agency of the Ministry of Education, member of the organizing and scientific committee of the Conference New Trends in use of production techniques, members of the Scientific Committee of the Conference Technoforum 2015 and member of Czech Chemical Society.