XRD, TGA and TMA Charts (No.051)
No. | Name | Sampling date | Vein or deposit | Mining place | Mining company | Sampling place | Grade or sort |
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051 | USIH_12A | November 15, 1983 | Sarayama V. | Iguchiyama | Ueda Tohseki | Second level | Raw material of Amakusa clay ?, Henshoku (discoloration) |
Colors of the milled samples | |||||||
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X | Y | Z | Whiteness (Hunter) | L | a | b | Whiteness (Lab) |
53.45 | 52.52 | 47.22 | 40.02 | 72.47 | 4.83 | 12.10 | 69.54 |
Chemical compositions (wt%) | ||||||||
---|---|---|---|---|---|---|---|---|
SiO2 | Al2O3 | Fe2O3 | TiO2 | CaO | MgO | Na2O | K2O | Ig.loss |
75.40 | 15.00 | 2.36 | 0.01 | 0.16 | 0.17 | 0.10 | 3.44 | 2.89 |
Mineral compositions (wt%) | |||||
---|---|---|---|---|---|
Q : Quartz | M : Sericite | K : Kaolin mineral | F : Feldspar | C : Calcite | S : Siderite |
43.29 | 46.03 | 9.54 | 0.86 | 0.00 | 0.29 |
Results of TGA and Colors of the Powder Samples after Measuring | |||||||||||||||||||||||||||||
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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%) | X | Y | Z | Whiteness (Hunter) | L | a | b | Whiteness (Lab)
| 3.74 | 2.57 | 43.14 | 41.88 | 38.05 | 32.25 | 64.71 | 5.74 | 10.44 | 62.76
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Results of TMA and Colors of the Sintered Samples after Measuring | ||||||||||||||||||||||||||||||||||||||||||||
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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) SK | X | Y | Z | W | (Hunter) L | a | b | W | (Lab) 42.9 | 7.64 | 1350 | 1354 | 1352 | 1508 | 18+ | 31.63 | 32.23 | 32.63 | 27.65 | 56.77 | 0.10 | 5.66 | 56.40
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