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GM Scroll Compressor (Mitsubishi)
Thrust Bearing Surfaces
The thrust surface indicated here is on the front head of the compressor which supports the full load and torque produced by the input shaft on the movable (orbital) scroll. The treated compressor showed less surface wear and foreign contamination.
Untreated
Treated
Untreated
Treated
S E M 1000 X Magnification
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ELEMENT
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UNTREATED
WEIGHT %
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TREATED WEIGHT %
|
|
Al
|
Aluminum
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73.7
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81.00
|
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Si
|
Silicon
|
18.2
|
None
Present
|
|
P
|
Phosphorus
|
0.3
|
None
Present
|
|
S
|
Sulfur
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0.2
|
None
Present
|
|
Cl
|
Chlorine
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0.3
|
None
Present
|
|
Ca
|
Calcium
|
0.2
|
None
Present
|
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Ti
|
Titanium
|
0.3
|
None
Present
|
|
Mn
|
Manganese
|
0.3
|
None
Present
|
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Fe
|
Iron
|
1.4
|
1.1
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Cu
|
Copper
|
2.5
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2.3
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Zn
|
Zinc
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2.9
|
0.9
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Other
GM Scroll Compressor Tests
* GM Scroll Compressor (Mitsubishi) Durability Field Test
* GM Scroll Compressor (Mitsubishi)
Thrust Bearing Surfaces
* GM Scroll Compressor (Mitsubishi) Shaft Driver
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