He now turned to the use of almostinfusible metals--such as boron, ruthenium, chromium, etc.
His notes include the use of powdered silicon mixed with lime or other very infusible non-conductors or semi-conductors.
Eight forms of electric lamps using infusible earthy oxides and brought to high incandescence in vacuo by high potential current of several thousand volts; same character as impingement of X-rays on object in bulb.
Defn: A cement of clay or other tenacious infusible substance for sealing joints in apparatus, or the mouths of vessels or tubes, or for coating the bodies of retorts, etc.
Infusible at the blow-pipe, and effervesces but slightly when fused with glass of borax.
It is infusible before the blowpipe; but it acts upon the magnetic needle, after having been exposed to the reducing smoky flame.
The hearth is bedded with infusible sand, and slopes slightly towards the side door, to facilitate the discharge of the metal.
When free from lime and iron, it forms an excellent material for making refractory fire-bricks, being an infusible compound of alumina and silica; one of the best examples of which is the schist known by the name of Stourbridge clay.
It becomes white in the pottery kiln, and is infusible at that heat.
It is not only infusible by itself, but it will not dissolve in the fusible glasses; making them merely opaque.
Scratches fluor spar; affords water by calcination in a glass tube; infusible at the blow-pipe; and effervesces slightly when fused with glass of borax.
A very small proportion of pure potassium is obtained; a great deal of it is converted into a black infusible mass, which passes over with the metal, and is very apt to block up the tube.
The second kind consists of an infusible mixture of earths, which is refractory in the kiln, and continues opaque.
It is infusible in the fire; and, though it loses about an eighth part of its weight, its bulk is scarcely diminished.
When freed from the coarse and evidently foreign particles interspersed through them, they are absolutely infusible in the porcelain kiln, and retain their white colour unaltered.
It is infusible at the blowpipe alone, but it melts easily with borax.
When copper and silver only form the alloys of the silversmith, they should both be added to the crucible at the commencement of the operation; and it is the best plan to put the copper at the bottom, because it is the most infusible metal.
Solders made from copper and silver only are, generally speaking, too infusible to be applied to all classes of silversmith's work.
These instructions with regard to melting the more infusible metals having been carried out, the zinc is taken with a long pair of tongs (Fig.
When there is not enough borax present the assayer will observe an infusible skin floating upon the surface; should this be the case more borax must at once be employed, in order to dissolve such impurity.
This compound, which was probably the peroxide, beinginfusible and insoluble in the protoxide, formed a crystalline crust around the positive electrode; and thus insulating it, prevented the transmission of the electricity.
The infusiblecondition of the silver at the temperature used, and the length and ramifying character of its crystals, render the above experiment difficult to perform, and uncertain in its results.
It has been found to stand well for the linings of rotatory puddling furnaces, where, under long-continued heating, it changes into a substance as hard and infusible as natural emery.
A cement of clay or other tenacious infusible substance for sealing joints in apparatus, or the mouths of vessels or tubes, or for coating the bodies of retorts, etc.
Zirconia yields with nitrate of cobalt, when ignited, an infusible black mass.
These metals are not volatile, and are infusiblebefore the blowpipe; but some of their oxides are volatile, and can be reduced to an infusible metallic powder.
The alkalies are absorbed by the charcoal leaving the lime and magnesia infusible on the surface.
Some of its compounds are infusiblelikewise with soda, and swell up slightly, while others of them melt with soda to a slightly opaque mass.
By ignition with nitrate of cobalt, thorina is converted into aninfusible black mass, CLASS II.
This metal, in powder, isinfusible before the blowpipe.
Yields an infusible mass, which laid on silver and moistened, produces a black stain.
The metal platinum is infusible in the blowpipe flame, and is such a poor conductor of heat that a strip of it may be held close to that portion of it which is red hot without the least inconvenience to the fingers.
In the reduction flame it is reduced to a dark-brown infusible metallic powder.
By heating with nitrate of cobalt, it yields a light grey infusible mass.
Glucina yields, by ignition with nitrate of cobalt, a black, or dark grey infusible mass.
If directed against some infusible substance like ordinary lime (calcium oxide), the heat is so intense that the lime becomes incandescent and glows with a brilliant light.
It is one of the most infusible of the metals, requiring a temperature little short of 3000° for fusion.
Spinel ruby is infusible before the blowpipe, but on heating undergoes a curious series of changes in color which are quite characteristic.
Corundum is infusible and is not attacked by acids.
A fine, white, very pure, and infusible China clay, almost pure alumina and silica.
This mass is easily fusible when lead or borax is present in large proportions, more infusible or harder the more silica it contains, and very refractory if alumina is present in any quantity.
This clamming or stopping is a mixture of sand, sieved dust, ground pitchers, or other infusible siftings held together with a very little waste glaze and water.
Refractory China clays should be replaced by more fusible clays or some reduction made in the amount of infusible materials.
The roll of infusible clay placed between each saggar when building bungs.
The Ancient Mariner was buried under a hundred feet of rapidly solidifying rock, but rock which could be fused away from its infusible walls when the time came.
These artificial metals are both absolutely infusible and non-volatile.
The marvelous new tubes that ran its ray screen flashed instantly to a temperature inconceivable, and, so long as the elements embedded in the infusible relux remained the metals they were, those tubes could not fail.
But, we have reason to believe, it is not in the nature of things to change the infusible species, so as to make it fusible or oily.
How coal, an infusible substance, could be spread into strata by mere heat, is to me incomprehensible.
But now the object of investigation is that mineral operation by which some of those strata, or some parts of a fusible and inflammable stratum, have been so changed as to become infusible and only combustible.
Such an infusible coal may therefore contain a great deal of aqueous substance, and volatile oily matter; consequently may burn with smoke and flame.
It is now a fixed substance, and an infusible coal; therefore, it must have been by means of heat and distillation that it had been changed, from the original state in which this stratum had been formed.
I have also similar specimens from the same place, in which the coal is not of that fixed and infusible kind which burns without flame or smoke, but is bituminous or inflammable coal.
A number of years ago a clever German, named Segar, invented a series of little cones composed of various infusible earths like clay and feldspar.
Incandescence is the white light emitted by a substance that is infusible when subjected to a high temperature.
Many substances which are insoluble or infusible of themselves, become soluble or fusible when mixed with certain others; thus, in this way, solution is got with the aid of reagents, and fusion with the help of fluxes.
Oxide of Lead~, in the form of red lead or litharge, is a valuable flux; it easily dissolves those metallic oxides which are either infusible or difficultly fusible of themselves, such as oxides of iron or copper.
Compounds of Al are very infusibleand difficult of reduction.
When pure, quartz is transparent as glass, infusible except in the oxy- hydrogen blow- pipe, and harder than glass.
Uses of Lime--CaO is infusible at the highest temperatures.
The bulb is made of infusible glass, that it may be able to withstand a lengthy (20 hours) exposure to a red heat without changing in form.
Calcium is distinguished by its great ductility; it melts at a red heat and then burns in the air with a very brilliant flame; the brilliancy is due to the formation of finely divided infusible calcium oxide.
It is by itself very pale, but owing to its high temperature it may serve for rendering infusible objects incandescent, and at the very high temperature produced by the detonating gas the incandescent substance gives a most intense light.
The chalk on being heated loses carbonic anhydride, leaving infusible lime, which is permeated by the sodium carbonate and forms a thick mass, in which the charcoal is intimately mixed with the sodium carbonate.
Indeed, carbon in all its forms being insoluble and infusible does not pass into a liquid condition by means of which crystallisation could take place.
It is whiter than iron, harder than silver, infusible in the strongest heat of our furnaces, and melts only when exposed to the highest temperature obtained by Deville's oxyhydrogen gas furnace.
Since graphite is infusibleand incombustible except at exceedingly high temperatures, it is extensively used for crucibles and electrodes.
But clay, as we know from its use in making porcelain, is very infusible and difficult to decompose.
But if it was heated under pressure it changed into another and a new kind of resin that was hard, inelastic, unplastic, infusible and insoluble.
Patents have also been taken out for lamps made with filaments of such infusible metals as tungsten and molybdenum, and Siemens and Halske, Sanders and others, have protected methods for employing zirconium and other rare metals.
This process has a wide field of application, and enables the most refractory and infusible metals to be obtained in a metallic wire form.
Supposing the alum to become exhausted, there still remains the protection of a substance which is both infusible and a bad conductor of heat.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "infusible" in a variety of sentences. We hope that you will now be able to make sentences using this word.
