I am relieved even in winter.
If you make it with titanium, you will want to touch it for a while.
In winter, when it is cold, when you touch the cold metal on clinkin chin ... "It's cool cold!" It will tolerate before touching. In low-temperature areas, there are things that the hands freeze and stick unless care is taken.
But, when it is titanium, this is not too cold (It's a bit cold). This is due to the small thermal conductivity of titanium.
Titanium is hard to transmit the heat of the hand = Heat is not robbed much from hands.
The thermal conductivity of pure titanium is 17 (W / mK), about 1/4 of iron and about 1/23 of copper. And, titanium is easy to warm and easy to cool.
It feels a bit strange that it is easy to warm and easily warm though the heat conduction is bad. But that and that are physically quite another problem.
The amount of heat required to raise the temperature of a unit mass of material by 1 degree is called "specific heat", but the specific heat of titanium is not much different from that of iron or stainless steel. However, since titanium has a small specific gravity, if we look at the amount of heat (= "heat capacity") necessary for raising once per unit volume, it is about 6 (about 6) of the same size (= volume) iron and stainless steel You can raise it by the same temperature with a calorific value of heat.
In other words, when it is put on fire of the same size, titanium is warmed by about 60% of time than iron and stainless steel. In addition, if you use strong titanium, you can make it thinner than iron or stainless steel, you can raise the temperature faster by the smaller mass. This is a characteristic seen in titanium pots etc.
It is perfect for something to raise the temperature at a stretch and fade at a stroke. However, in places with and without fire, due to low thermal conductivity, temperature irregularities will occur. If you are not cooking sweetly, you will get burned, and you can not be bothered here, so be careful.
Also, although unnecessary, the titanium pot does not get hot. It is interesting. Titanium cups are easy to drink because hot lips attached to the cup are not hot even if you put hot coffee. Also, since it does not melt out, unlike other metallic cups, it does not taste strange.
Make a mug with titanium?
Warm things are hard to cool down,
cold things are hard to warm .
I do not have a strange taste.
Clean at any time as long as it is exposed to sunlight.
Antibacterial effect can also be expected.
According to one theory, the bitterness and astringent components are decomposed by the photocatalytic action of the oxide film on the surface of the titanium cup, and the sweetness of wine and the like seems to increase. I have not tried it, so I do not know, but it is a story with a dream. Besides, there is a snowplate board as an example utilizing low thermal conductivity and low thermal capacity of titanium.
A titanium snow-blossom panel was fitted to "Star Falls Sato Ohashi" of Route 452 of Ashibetsu City in Hokkaido. When the snowfall of the tower that supports the bridge falls at once, it is dangerous for cars and pedestrians and it is to prevent this. Let's drop it before snow accumulates and it becomes a big lump.
In order for the snow to slide down on the metal plate, a small amount of water is required between the snow and the metal plate (fluid lubrication). I do not slip without water at all. It is the same principle as skating to slide well if there is a small amount of water.
Although I derail for a while, skating often slides when a person wearing skate shoes gets on the ice, the pressure is applied to the ice by the weight. When pressure is applied to the ice, the melting point decreases only where it is applied (the temperature does not decrease). Then only a few of the ice melts and turns into water, which slides the blade.
Therefore, in order to slide down snow well, it is necessary to use a material that can produce fluid lubrication well. for that purpose
① The temperature tends to rise due to sunshine = The heat capacity is small
② The water that is the source of the fluid lubrication of the snow that started to slide is not absorbed by the snow board, the thermal conductivity is poor
③ The smooth surface has forever = Corrosion resistance Is good
It is necessary to satisfy the condition such as.
In addition, water that becomes the source of snowmelt is caused by temperature rise due to solar heat and melting of snow due to frictional heat caused by sliding. So, the super material that combines these characteristics is titanium! On the star falling village bridge, it seems that good snowfall measures have been taken since installation.
Besides that, having not touched the touch feeling is also a great advantage for jewelery, paving equipment, and assistive devices. I think that it would be wonderful if it helped to make life a little brighter if it helped with the handicapped and those who help it.
From the paving equipment which is resistant to wearing to the paving equipment which is easy to wear through the four seasons. Such possibility also hides titanium.
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