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  • Developments in investment casting process—A review ...

    2012-11-1 · Nowadays, dental crowns are also fabricated by investment casting using ice patterns, generated by rapid freeze prototyping. (Liu and Leu, 2003) carried out a study in which a comparison was made between the surface roughnesses of dental crowns produced from the ice patterns compared to wax patterns. It was found that the surface roughness of the dental crowns produced …

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  • Investment Casting - an overview | ScienceDirect Topics

    So far, micro-gears, micro-turbine parts, and cast metal fibres with a diameter of 100μm and maximum aspect ratio of 90 have been successfully produced using Gold and Palladium based alloys [1,2]. Lost patterns used for such castings were produced by applying micromanufacturing technologies, in particular LIGA, laser ablation, and injection moulding.

    Get Price
  • Classification of Casting MCQ [Free PDF] - Objective ...

    The investment casting process also called the lost-wax process begins with the production of wax replicas or patterns of the desired shape of the castings It is preferred where intricate shapes are required like jewellery, sewing machines, firearms, surgical and dental devices, turbine blades, gear impeller, hand tools, cranks, and levers.

    Get Price
  • Precision Casting - an overview | ScienceDirect Topics

    1.4.2.1.2 Investment casting. The precision casting by the lost wax process, called investment casting, dates back to 1000 BCE in Mesopotamia for art statues. The idea is to create wax patterns, which look like the metal part to manufacture, assemble them, coat them with multiple dips in liquid ceramics, and then spray them with refractory sand.

    Get Price
  • Homogenization Heat Treatment - an overview ...

    Therefore a different production route had to be developed for turbine parts in this environment. Today, the blades and aerofoils of high-pressure turbines are generally produced by investment casting processes in order to generate single-crystal structures, and hollow profiles to …

    Get Price
  • Different Types of Casting Processes used in Manufacturing

    2021-7-26 · Centrifugal Casting. Centrifugal casting is used to produce long, cylindrical parts such as cast iron pipe by relying on the g-forces developed in a spinning mold. Molten metal introduced into the mold is flung against the interior surface of the …

    Get Price
  • Integrally Cored Ceramic Investment Casting Mold ...

    Directionally solidified components, such as single crystal turbine blades, are typically grown using shell molds prepared using a lost wax process that begins with injection-molded wax positives.

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  • A study of two refractories as mould materials for ...

    Titanium has excellent corrosion resistance and specific strength. Titanium can be applied to biomaterials, such as in dental implants and artificial joints, because of its high biocompatibility.

    Get Price
  • Study of Ceramic Slurries for Investment Casting with Ice ...

    Abstract. Ice patterns generated by rapid freeze prototyping or a molding process can be used to make ceramic investment molds for metal castings. Due to the use of ice, the ceramic slurries must ...

    Get Price
  • Nickel-Based Superalloys - an overview | ScienceDirect

    Nickel is produced by: (1) an electrolytic method, in which the nickel-rich sulfide ore is calcined into oxide, reduced to crude nickel by carbon, and then electrolyzed to obtain pure metallic nickel; (2) a carbonylation method, in which the sulfide mineral of nickel is reacted with carbon monoxide to form nickel tetracarbonyl, which is decomposed by heating to obtain very pure metallic nickel.

    Get Price
  • Classification of Casting MCQ [Free PDF] - Objective ...

    The investment casting process also called the lost-wax process begins with the production of wax replicas or patterns of the desired shape of the castings; It is preferred where intricate shapes are required like jewellery, sewing machines, firearms, surgical and dental devices, turbine blades, gear impeller, hand tools, cranks, and levers.

    Get Price
  • Dimensional accuracy of castings produced with ringless ...

    Results: The castings of the ringless technique provided less vertical marginal discrepancy (240.56 ± 45.81 μ) than the castings produced with the conventional metal ring technique (281.98± 53 ...

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  • [Solved] Which of the following qualifies as a precision ...

    Investment casting process: The investment casting process also called the lost-wax process begins with the production of wax replicas or patterns of the desired shape of the castings. It is also called precision casting process because it is preferred where intricate shapes are required like sewing machines, firearms, surgical and dental devices, turbine blades, gear impeller, hand tools ...

    Get Price
  • Different Types of Casting Processes used in Manufacturing

    2021-7-26 · A brief discussion of the different types of casting processes. Image credit: Funtay/Shutterstock.com. Casting manufacturing is a process in which liquefied material, such as molten metal, is poured into the cavity of a specially designed mold and allowed to harden. After solidification, the workpiece is removed from the mold to undergo various finishing treatments or …

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  • Patient-Specific Surgical Implants Made of 3D Printed PEEK ...

    Additive manufacturing (AM) is rapidly gaining acceptance in the healthcare sector. Three-dimensional (3D) virtual surgical planning, fabrication of anatomical models, and patient-specific implants (PSI) are well-established processes in the surgical fields. Polyetheretherketone (PEEK) has been used, mainly in the reconstructive surgeries as a reliable alternative to other alloplastic ...

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  • Study of Ceramic Slurries for Investment Casting with Ice ...

    Abstract. Ice patterns generated by rapid freeze prototyping or a molding process can be used to make ceramic investment molds for metal castings. Due to the use of ice, the ceramic slurries must ...

    Get Price
  • [Solved] Cast iron pipes are cast by - Testbook.com

    The investment casting process also called lost wax process begins with the production of wax replicas or patterns of the desired shape of the castings; It is preferred where intricate shapes are required like sewing machines, firearms, surgical and dental devices, turbine blades, gear impeller, hand tools, cranks and levers

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  • US5950706A - Process for manufacture of cast parts made

    In the production of castings from a melt of a reactive metal selected from the group consisting of titanium, titanium alloys, and titanium-based alloys, a reusable casting mold (20) is used; the mold, at least in the area of the surface which comes in contact with the melt, consists of at least one metal selected from the group consisting of tantalum, niobium, zirconium, and/or their alloys.

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  • Intermetallics: Why is it so difficult to introduce them ...

    The use of these alloys in aircraft engines (for low-pressure turbine blades) is very interesting [4, 5]. Today's titanium alloys and titanium aluminides account for a third of the weight of ...

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  • [Solved] Which of the following qualifies as a precision ...

    Investment casting process: The investment casting process also called the lost-wax process begins with the production of wax replicas or patterns of the desired shape of the castings. It is also called precision casting process because it is preferred where intricate shapes are required like sewing machines, firearms, surgical and dental devices, turbine blades, gear impeller, hand tools ...

    Get Price
  • [Solved] Cast iron pipes are cast by - Testbook.com

    The investment casting process also called lost wax process begins with the production of wax replicas or patterns of the desired shape of the castings; It is preferred where intricate shapes are required like sewing machines, firearms, surgical and dental devices, turbine blades, gear impeller, hand tools, cranks and levers

    Get Price
  • Non-destructive Testing Applications in Commercial ...

    2006-8-15 · INTRODUCTION. In aircraft maintenance programme it is important to inspect the mechanical damage and assess the extent of the repair work. But in schedule maintenance it is a difficult to finding the defects rapidly, as the maintenance of aircraft must be accomplished within scheduled time and same to be released in time for commercial operation.

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  • Accurate and Time-Saving - Hexagon MI

    Time savings, more accuracy and considerably higher process reliability needn‘t be mutually exclusive. The IRP40.40-LF touch probe by m&h with THERMO-LOCK® technology has ensured Feinmechanik Leipold noticeably better efficiency.

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  • Creating simplicity in metrology-assisted assembly ...

    ARGON Measuring Solutions played a vital integration role in development of a ground-breaking metrology-assisted assembly solution for the Siemens Gamesa facility in Cuxhaven, including developing the project’s custom-made front-end software solution.

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  • Preventing Fatigue Failures with Laser Peening

    2013-3-27 · Preventing Fatigue Failures with Laser Peening. 1. Smart Materials That Sense and RespondKeep ‘Em FlyingLaser Peening KeepsAircraft Turbine Bladesin Action AMPTIAC is a DOD Information Analysis Center Administered by theDefense Information Systems Agency, Defense Technical Information Center and Operated by IIT Research Institute. 2.

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  • C 8 - investment casting - SlideShare

    Digg is the homepage of the internet, featuring the best articles, videos, and original content that the web is talking about right now.

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  • A Guide to Canada's Export Control List - GAC

    Cast material produced by casting in sand, die, metal, plaster or other types of moulds, including high pressure castings, sintered forms, and forms made by powder metallurgy. The object of the control should not be defeated by the export of non-listed forms alleged to be finished products but representing in reality crude forms or semi ...

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  • Manufacturer.com - Manufacturers & Wholesale Companies

    Manufacturer.com produces the Apparel Textile Sourcing international trade shows, the fastest growing trade shows in Canada, U.S.A., and Europe. ATS shows are a Global Industry Destination that provide a platform for the world's apparel and textile executives to connect, learn and create opportunities to grow their business. August 23-25, 2021.

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  • Journal of Japan Foundry Engineering Society

    Japan's largest platform for academic e-journals: J-STAGE is a full text database for reviewed academic papers published by Japanese societies

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  • (PDF) foundry technology by peter beeley | Duy Khoa

    2013-3-27 · Preventing Fatigue Failures with Laser Peening. 1. Smart Materials That Sense and RespondKeep ‘Em FlyingLaser Peening KeepsAircraft Turbine Bladesin Action AMPTIAC is a DOD Information Analysis Center Administered by theDefense Information Systems Agency, Defense Technical Information Center and Operated by IIT Research Institute. 2.

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  • C 8 - investment casting - SlideShare

    Welcome to the most trusted and comprehensive Forgings: Blade & Vane directory on the Internet. A broad range of Forgings: Blade & Vane resources are compiled in this industrial portal which provides information on manufacturers, distributors and …

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  • Alphacam Waveform Halves Automation Component

    ARGON Measuring Solutions played a vital integration role in development of a ground-breaking metrology-assisted assembly solution for the Siemens Gamesa facility in Cuxhaven, including developing the project’s custom-made front-end software solution.

    Get Price
  • Preventing Fatigue Failures with Laser Peening

    Find everything you need for home decor, maintenance, repair, DIY, cleaning, hacks and more.

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  • Developments in investment casting process—A review ...

    2012-11-1 · Nowadays, dental crowns are also fabricated by investment casting using ice patterns, generated by rapid freeze prototyping. (Liu and Leu, 2003) carried out a study in which a comparison was made between the surface roughnesses of dental crowns produced from the ice patterns compared to wax patterns. It was found that the surface roughness of the dental crowns produced …

    Get Price
  • Investment Casting - an overview | ScienceDirect Topics

    So far, micro-gears, micro-turbine parts, and cast metal fibres with a diameter of 100μm and maximum aspect ratio of 90 have been successfully produced using Gold and Palladium based alloys [1,2]. Lost patterns used for such castings were produced by applying micromanufacturing technologies, in particular LIGA, laser ablation, and injection moulding.

    Get Price
  • Classification of Casting MCQ [Free PDF] - Objective ...

    The investment casting process also called the lost-wax process begins with the production of wax replicas or patterns of the desired shape of the castings It is preferred where intricate shapes are required like jewellery, sewing machines, firearms, surgical and dental devices, turbine blades, gear impeller, hand tools, cranks, and levers.

    Get Price
  • Precision Casting - an overview | ScienceDirect Topics

    1.4.2.1.2 Investment casting. The precision casting by the lost wax process, called investment casting, dates back to 1000 BCE in Mesopotamia for art statues. The idea is to create wax patterns, which look like the metal part to manufacture, assemble them, coat them with multiple dips in liquid ceramics, and then spray them with refractory sand.

    Get Price
  • Homogenization Heat Treatment - an overview ...

    Therefore a different production route had to be developed for turbine parts in this environment. Today, the blades and aerofoils of high-pressure turbines are generally produced by investment casting processes in order to generate single-crystal structures, and hollow profiles to …

    Get Price
  • Different Types of Casting Processes used in Manufacturing

    2021-7-26 · Centrifugal Casting. Centrifugal casting is used to produce long, cylindrical parts such as cast iron pipe by relying on the g-forces developed in a spinning mold. Molten metal introduced into the mold is flung against the interior surface of the …

    Get Price
  • Integrally Cored Ceramic Investment Casting Mold ...

    Directionally solidified components, such as single crystal turbine blades, are typically grown using shell molds prepared using a lost wax process that begins with injection-molded wax positives.

    Get Price
  • A study of two refractories as mould materials for ...

    Titanium has excellent corrosion resistance and specific strength. Titanium can be applied to biomaterials, such as in dental implants and artificial joints, because of its high biocompatibility.

    Get Price
  • Study of Ceramic Slurries for Investment Casting with Ice ...

    Abstract. Ice patterns generated by rapid freeze prototyping or a molding process can be used to make ceramic investment molds for metal castings. Due to the use of ice, the ceramic slurries must ...

    Get Price
  • Nickel-Based Superalloys - an overview | ScienceDirect

    Nickel is produced by: (1) an electrolytic method, in which the nickel-rich sulfide ore is calcined into oxide, reduced to crude nickel by carbon, and then electrolyzed to obtain pure metallic nickel; (2) a carbonylation method, in which the sulfide mineral of nickel is reacted with carbon monoxide to form nickel tetracarbonyl, which is decomposed by heating to obtain very pure metallic nickel.

    Get Price