Cu-W with reduced thermal expansion.The thermal expansion is close to that of GaAs and GaN to prevent mis-matching of thermal expansion..
このような用途でBerylliaと比較すると、同材料は無毒であり、熱膨張係数は約半分です。
Compared with Beryllia in such applications, it is non-toxic and has about half the thermal expansion coefficient.
これにより、絶縁層211、212、213の熱膨張係数を低くすることができる。
Thereby, the thermal expansion coefficients of the insulating layers 211, 212, 213 can be effectively reduced.
しかしながら、ユニフロー・エンジンがシリンダー壁に生成する熱膨張勾配が現実的な問題を与える。
However, the thermal expansion gradient uniflow engines produce along the cylinder wall gives practical difficulties.
これにより、絶縁層211、212、213の熱膨張係数を効果的に低めることができる。
Thereby, the thermal expansion coefficients of the insulating layers 211, 212, 213 can be effectively reduced.
特長図1各合金の平均熱膨張係数(1)低熱膨張合金コバールに近い熱膨張係数を有します。
Features Figure 1: Average coefficient of thermal expansionof various alloys(1) Low coefficient of thermal expansion, close to those of Fe-Ni low thermal-expansion alloys.
The proprietary manufacturing process yields synthetic graphite with a higher coefficient of thermal expansion than competitive materials, making them an ideal mating material with metals.
That is, using the thing that the thermal expansion coefficient of the Metallic Ring is bigger than the thermal expansion coefficient of glass, it made a compression stress occur to glass yen board and it strengthened it.
Intensity, resistance to thermal vibration and mechanical vibration, good thermal expansion performance, large cooling surface and long service life, it has a wide range of applicable temperature, endurance of high pressure and other features.
As a high performance materials, pure tungsten has high melting temperature, high density, low vapor pressure, low thermal expansion combined with good thermal conductivity, sufficient electrical resistance, high modulus of elasticity.
Features: high melting point and low vapor pressure, low thermal expansion, high thermal conductivity, is mainly used for structural parts of quartz industry, high-temperature furnace heating element, and so the cathode electrolysis.
At the same time, due to the switch, the luminaire causes multiple thermal expansion and contraction, which causes the strength of the material to be destroyed, which easily leads to the problem of light decay.
Together with thermal expansion of the oceans, land ice melt and atmospheric variability, this weakening will likely cause more extreme sea level rise events along the densely populated coastline of North America in the future.
Advantages of fused silica windows include: good UV and IR transmission, stability and resistance to thermal shock over large temperature excursions, low thermal expansion, wider thermal operating range and high laser damage threshold.
These bakeware are made with borosilicate glass- ideal for thermal expansion and therefore less prone to shattering when exposed to temperature changes.
W-10T 94W-11Cu Although it has the same thermal expansion coefficient as that of W- 10, the thermal conductivity is improved by a special manufacturing method;
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