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cast Aluminum S-N curves
- Thread starter inline6
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A few here:
Probably some more here:
Probably some more here:
A356 with T6 heat treatment (solution treat + artificial aging) is the standard high strength alloy for sand and permanent mold casting. Here are some links with data on fatigue properties including S-N curves:
inline6...
The ability to predict crack growth for any casting starts with the QUALITY of the casting... A very high quality casting, regardless of alloy... IE: one/many that is/are made to rigorous standards [repeatedly] and has the appropriate NDI to validate each one [US, X-Ray, ECI, FPI, surface roughness, etc]... can have predictable strength/crack-growth properties. A junk/low-quality casting can never have predictable properties... except poor properties [very low statistical values].
1. Aerospace Structural Metals Handbook has good info for following common aerospace casting alloys...
A201
355/C355
356/A356
A357
2. Tech reports on aerospace grade/quality castings.
ADA186444 Durability and Damage Tolerance of Aluminum Castings
AGARD-AG-299 AGARD Handbook on Advanced Casting
ACARD-CP-325 Handbook on advanced Casting
AGARD-R-762 Castings Airworthiness
WL-TR-91-4111 Durability and Damage Tolerance of Aluminum Castings
3. Misc Specs
AA 18 Aluminum Association, Standards for Aluminum Sand and Permanent mold castings
AA PK-1 Aluminum Association, Aluminum Alloys, Casting And Ingot Designations and Chemical limits for
AMS2175 Castings, Classification and Inspection of
ASME Y14.8 Castings, Forgings and Molded parts
ASTM B686 Aluminum Alloy Castings, High Strength, Standard Specification for
FAA AC25-621-1 Casting Factors
NAS1433 RADIOGRAPHIC STANDARDS FOR ALUMINUM ALLOY CASTINGS
NAS1434 RADIOGRAPHIC STANDARDS FOR MAGNESIUM ALLOY CASTINGS
Regards, Wil Taylor
o Trust - But Verify!
o We believe to be true what we prefer to be true. [Unknown]
o For those who believe, no proof is required; for those who cannot believe, no proof is possible. [variation,Stuart Chase]
o Unfortunately, in science what You 'believe' is irrelevant. ["Orion", Homebuiltairplanes.com forum]
The ability to predict crack growth for any casting starts with the QUALITY of the casting... A very high quality casting, regardless of alloy... IE: one/many that is/are made to rigorous standards [repeatedly] and has the appropriate NDI to validate each one [US, X-Ray, ECI, FPI, surface roughness, etc]... can have predictable strength/crack-growth properties. A junk/low-quality casting can never have predictable properties... except poor properties [very low statistical values].
1. Aerospace Structural Metals Handbook has good info for following common aerospace casting alloys...
A201
355/C355
356/A356
A357
2. Tech reports on aerospace grade/quality castings.
ADA186444 Durability and Damage Tolerance of Aluminum Castings
AGARD-AG-299 AGARD Handbook on Advanced Casting
ACARD-CP-325 Handbook on advanced Casting
AGARD-R-762 Castings Airworthiness
WL-TR-91-4111 Durability and Damage Tolerance of Aluminum Castings
3. Misc Specs
AA 18 Aluminum Association, Standards for Aluminum Sand and Permanent mold castings
AA PK-1 Aluminum Association, Aluminum Alloys, Casting And Ingot Designations and Chemical limits for
AMS2175 Castings, Classification and Inspection of
ASME Y14.8 Castings, Forgings and Molded parts
ASTM B686 Aluminum Alloy Castings, High Strength, Standard Specification for
FAA AC25-621-1 Casting Factors
NAS1433 RADIOGRAPHIC STANDARDS FOR ALUMINUM ALLOY CASTINGS
NAS1434 RADIOGRAPHIC STANDARDS FOR MAGNESIUM ALLOY CASTINGS
Regards, Wil Taylor
o Trust - But Verify!
o We believe to be true what we prefer to be true. [Unknown]
o For those who believe, no proof is required; for those who cannot believe, no proof is possible. [variation,Stuart Chase]
o Unfortunately, in science what You 'believe' is irrelevant. ["Orion", Homebuiltairplanes.com forum]
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