XRD, TGA and TMA Charts (No.186)

No.NameSampling dateVein or depositMining placeMining companySampling placeGrade or sort
186MKKH_03ADecember 1,1980Kaigan V.KawanohataMatsuzaki TohsekiStock yardHenshoku (discoloration)

Colors of the milled samples
XYZWhiteness (Hunter)LabWhiteness (Lab)
72.3471.3061.8752.4384.445.1515.6677.33

Chemical compositions (wt%)
SiO2Al2O3Fe2O3TiO2CaOMgONa2OK2OIg.loss
77.8214.410.890.020.310.330.073.272.64


Mineral compositions (wt%)
Q : QuartzM : SericiteK : Kaolin mineralF : FeldsparC : CalciteS : Siderite
48.1845.185.200.780.320.34


Results of TGA and Colors of the Powder Samples after Measuring
The conditions for TGA were sample weight : about 180mg, heating rate : 20°C/min, ended temperature : 1000°C.
LT : Total weight loss, L400 : Weight loss of 400-1000°C.
LT (wt%)L400 (wt%)XYZWhiteness (Hunter)LabWhiteness (Lab)
3.132.4658.8956.0348.6141.1974.859.4413.8969.76


Results of TMA and Colors of the Sintered Samples after Measuring
The conditions for TMA were compaction pressure : 250MPa, pellet diameter : 10mm, thickness : about 3mm, heating rate : 10°C/min, loading : 10g.
W10 : Contents of particles larger than 10µm, SMax : Maximum shrinkage, T0 : Temperature at the maximum shrinkage, T5 : Temperature at the expansion coefficient becomes 0.0005/°C, TS5 : Temperature rectified using the correlative equation, TSK : Nominal temperature equivalent to its SK.
W10
(wt%)
SMax
(%)
T0
(°C)
T5
(°C)
TS5
(°C)
TSK
(°C)
SKXYZW
(Hunter)
LabW
(Lab)
52.36.68139113981389154520+50.5751.9154.9146.5372.05-0.805.2571.55
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