US979541A - Metallurgical process. - Google Patents

Description

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JOSEPH CHARLES MORRIS, 0F FINDLAY, OHIO.

METALLURGICAL IPBGCESS.

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Ito Drawing.

Patented Dec. 2'2, 191G.

To all whom it may concern:

Be it known that l, JOSEPH CHARLES Mon- RIS, a citizen of the United States of America, residing at Findlay, in the county of Hancock and State of Ohio, have invented a new and useful Metallurgical Process, of which the following is a specification, to wit: This invention relates to a process for the production of a metallic compound peculiarly adapted for the making of tools,

parts of machines and other articles, by cast ing, rather than by forging or rolling or otherwise working the metal as has heretofore been commonly done.

One of the principal objects of the invention is the production of a metal possessing great hardness and toughness without tempering, while atthe same time being capable 'of having its hardness increased by tempering if desired, theuntempered product, however, being capable of retaining a cuttingedge when used for tools or other articles if desired.

It will be readily apparent, to those skilled in theart, that other valuable results are obtained through my invented process, the product of sue process being adapted for many purposes and uses other than those above mentioned In the carrying out of my process, I first place in a crucible or melting pot, fifty pounds of broken iron castings, or any ordinary iron such as common castjpon, be ing suitable. I then add fifty pounds of steel clippings oi; borings such as are ordinarily produced in machine shops, applying sufficient. heat to melt said iron and clippings. When the iron and steel are at the point of fusing I add, preferably at the same time, one ounce of aluminum (A1.) one ounce of ma nesiurn (Mg) and one o'uimof silica iO After thoroughly using together the iron, steel, aluminum, magnesium and silica the compound should be poured into suitable molds for the making of the tool or other casting desired. The

casting, when 0001 is removed from the mold when it may be dressed in all the usual ways, on an emery wheel or otherwise and in the case of a tool, an edge may be ground upon the same. Without tempering, the tools, thus formed, will be found to retain an edge in an admirable manner, even in the case of cold chisels, and the like which are frequently subjected to very severe and rough usage. If it is desired to further harden the casting, it may be heated and tempered in the same manner as is customarily em ployed in the tempering of steel.

Attention should be called to the fact that by my process it is possible to produce a desirable metallic compound suitable for the most exacting requirements at a'cost below the cost of the same articles made from steel in the usual Way, while the compound produced requires no further tempering except for unusually severe usage.

I claim:

1. That metallurgical process which consists in compounding and fusing iron, steel, aluminum, magnesium and silica, as and for the purpose specified.

2. That metallurgical process which consists in fusin iron and steel in a suitable container, at ding aluminum, magnesium and silica while said iron and steel are in a fused condition and casting the compound thus formed in a mold.

3. That metallurgical process which consists in fusing equal parts, by weight, of iron and steel, adding a quantity of aluminum, magnesium and silica, and pouring the com ound, while in a fused condition, into mol 3.

4. That metallurgical process which consists in fusing fifty pounds of broken iron castings or common cast iron and fifty pounds, of steel cli pings and, when at the point of fusing, ad mg one ounce of aluminum, one ounce of magnesium and one pound of silica, and casting the same in a mold.

In testimony that I claim the above, I have hereunto subscribed my name in the presence of two witnesses.

JOSEPH CHARLES MORRIS.

Witnesses:

Josnrrr KOCH, N. H. REILLY.