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Search: Posts Made By: Turbine D
Showing results 1 to 9 of 9
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Forum: Rumours & News
12th Sep 2016, 18:42
Replies: 74
Views: 52,840
Posted By Turbine D

Except for the aluminum compressor blades which I...

Except for the aluminum compressor blades which I am unaware of. I don't think they would fare well in a sandy environment due to erosion. Also, investment casting, aka, lost wax process, is not used...
Forum: Rumours & News
11th Sep 2016, 00:04
Replies: 74
Views: 52,840
Posted By Turbine D

lasernigel, Let's get the terminology...

lasernigel,

Let's get the terminology correct. This thread isn't about fan blades, it is about an intermediate turbine blade that is apparently problem on the Trent 1000 as experienced by ANA....
Forum: Rumours & News
30th Aug 2016, 12:52
Replies: 74
Views: 52,840
Posted By Turbine D

lasernigel, Look at the engine cross-section in...

lasernigel,
Look at the engine cross-section in the ANA letter provided by p.j.m. I guarantee you the turbine blade in question isn't titanium. If it were, it wouldn't be there for long as it would...
Forum: Rumours & News
28th Aug 2016, 18:55
Replies: 74
Views: 52,840
Posted By Turbine D

safetypee, I don't think ANA has any of the...

safetypee,

I don't think ANA has any of the GE engines designed for the 787s.

Each engine manufacturer has proprietary in house turbine blade coatings and processes or may use patented coatings...
Forum: Rumours & News
28th Aug 2016, 18:47
Replies: 74
Views: 52,840
Posted By Turbine D

Annex, In a way, intergranular corrosion is a...

Annex,
In a way, intergranular corrosion is a good description, but the mechanisms to reach that point can be different.

One way is surface oxidation that develops cracks in the oxide layer that...
Forum: Rumours & News
27th Aug 2016, 13:02
Replies: 74
Views: 52,840
Posted By Turbine D

notapilot, The turbine blades would not be...

notapilot,

The turbine blades would not be made of titanium, they would be a nickel-base superalloy.
Forum: Rumours & News
26th Aug 2016, 20:15
Replies: 74
Views: 52,840
Posted By Turbine D

safetypee, There are two types of jet fuel...

safetypee,

There are two types of jet fuel used, Jet A and Jet A-1 in the Western world. Jet A-1 is used in Japan primarily because of its lowered freezing point compared to Jet A and the fact of...
Forum: Rumours & News
26th Aug 2016, 13:00
Replies: 74
Views: 52,840
Posted By Turbine D

The apparent problem is hot corrosion caused by...

The apparent problem is hot corrosion caused by sulfur.

Sulfur in the fuel and airborne salts like sodium and chlorine reacts with the oxide layer on the blades in the high temperature...
Forum: Rumours & News
23rd Aug 2016, 12:39
Replies: 74
Views: 52,840
Posted By Turbine D

I think that for the GEnx-1B engine, a couple of...

I think that for the GEnx-1B engine, a couple of fan related problems related to ice shedding and fan imbalance caused shutdowns. This problem was solved by having the engine power increased to 85%...
Showing results 1 to 9 of 9


 
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