The Increase in the Strength of Pressed Semifinished Sintered Aluminum Powder (sap) Products PDF Download
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Author: A. A. Vorzunov
Publisher:
ISBN:
Category :
Languages : en
Pages : 11
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Book Description
The properties of sintered aluminum powder semifinished products within a single grade are determined primarily by the temperature to which the powder is heated prior to briquetting. This temperature reaches an optimum between 680 and 700 degrees Centigrade since it provides for high tensile characteristics, high density and low gas content in conjunction with limited exposure time. An increase in exposure time permits reduction of the temperature range by 80 to 100 degrees. A 10-15 percent reduction in tensile characteristics results from annealing of the hot-pressed sintered aluminum powder briquettes, with a slight increase in relative elongation.
Author: A. A. Vorzunov
Publisher:
ISBN:
Category :
Languages : en
Pages : 11
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Book Description
The properties of sintered aluminum powder semifinished products within a single grade are determined primarily by the temperature to which the powder is heated prior to briquetting. This temperature reaches an optimum between 680 and 700 degrees Centigrade since it provides for high tensile characteristics, high density and low gas content in conjunction with limited exposure time. An increase in exposure time permits reduction of the temperature range by 80 to 100 degrees. A 10-15 percent reduction in tensile characteristics results from annealing of the hot-pressed sintered aluminum powder briquettes, with a slight increase in relative elongation.
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 848
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Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author: M. G. Stepanova
Publisher:
ISBN:
Category :
Languages : en
Pages : 14
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Mechanical properties of sintered aluminum powder SAP-1 sheets produced by rolled lamination and of SAP-1 and SAP-3 rods that are pressed are studied in connection with the effect of prolonged heating; heating at 250 degrees C for 1000 and 5000 hours results in no influence on properties in short-term elongation. Sensitivity to cracking in impact bending is slightly reduced. Heating of SAP-1 sheets to a temperature above 450 degrees decreases ultimate strength at 20 degrees and increases relative elongation. At 250-500 degrees the strength characteristics undergo no change. Prolonged heating (100-5000 hours) at 250-500 degrees C has no effect on any grades of pressed SAP semifinished products.
Author: United States. Central Intelligence Agency. Foreign Documents Division
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ISBN:
Category : Translations
Languages : en
Pages : 686
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Category : Aluminum
Languages : en
Pages : 824
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ISBN:
Category : Science
Languages : en
Pages : 1340
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Author:
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ISBN:
Category : Technology
Languages : en
Pages : 918
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Author:
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Category : Research
Languages : en
Pages : 1340
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Author:
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ISBN:
Category : Science
Languages : en
Pages : 936
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Author:
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ISBN:
Category : Science
Languages : en
Pages : 1304
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