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  2. Sand casting - Wikipedia

    en.wikipedia.org/wiki/Sand_casting

    Sand castings are produced in specialized factories called foundries. In 2003, over 60% of all metal castings were produced via sand casting. ... invented a flask ...

  3. Casting - Wikipedia

    en.wikipedia.org/wiki/Casting

    Plaster casting (process) [18] – Sand casting process with use of plaster to fill gaps; Permanent mold casting – Metal casting process that employs reusable molds; Rapid casting – Use of 3D printing to create disposable patterns; Sand casting – Metal casting process using sand as the mold material; Slip casting – Technique for forming ...

  4. Metalworking - Wikipedia

    en.wikipedia.org/wiki/Metalworking

    Casting achieves a specific form by pouring molten metal into a mold and allowing it to cool, with no mechanical force. Forms of casting include: Investment casting (called lost wax casting in art) Centrifugal casting; Die casting; Sand casting; Shell casting; Spin casting

  5. Molding sand - Wikipedia

    en.wikipedia.org/wiki/Molding_sand

    Sand casting is one of the earliest forms of casting practiced due to the simplicity of materials involved. It still remains one of the cheapest ways to cast metal because of that same simplicity. Other methods of casting, such as those using shell molds, boast higher quality of surface finish but have a higher cost.

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    Pulmonary Arterial Hypertension. Pulmonary arterial hypertension (PAH) is a serious condition that happens when the tiny vessels in your lungs narrow, resulting in high blood pressure.

  8. Investment casting - Wikipedia

    en.wikipedia.org/wiki/Investment_casting

    He also formulated a wax pattern compound of excellent properties, developed an investment material, and invented an air-pressure casting machine. In the 1940s, World War II increased the demand for precision net shape manufacturing and specialized alloys that could not be shaped by traditional methods, or that required too much machining.

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