US1992372A - Hard metal alloy - Google Patents
Hard metal alloy Download PDFInfo
- Publication number
- US1992372A US1992372A US535076A US53507631A US1992372A US 1992372 A US1992372 A US 1992372A US 535076 A US535076 A US 535076A US 53507631 A US53507631 A US 53507631A US 1992372 A US1992372 A US 1992372A
- Authority
- US
- United States
- Prior art keywords
- carbide
- titanium
- hard metal
- elements
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910001092 metal group alloy Inorganic materials 0.000 title description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 11
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 150000001247 metal acetylides Chemical class 0.000 description 8
- 239000010936 titanium Substances 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 150000002739 metals Chemical class 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- 229910052804 chromium Inorganic materials 0.000 description 6
- 239000011651 chromium Substances 0.000 description 6
- 229910052721 tungsten Inorganic materials 0.000 description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 229910052726 zirconium Inorganic materials 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052684 Cerium Inorganic materials 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229910052776 Thorium Inorganic materials 0.000 description 3
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- IJJWOSAXNHWBPR-HUBLWGQQSA-N 5-[(3as,4s,6ar)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-n-(6-hydrazinyl-6-oxohexyl)pentanamide Chemical compound N1C(=O)N[C@@H]2[C@H](CCCCC(=O)NCCCCCC(=O)NN)SC[C@@H]21 IJJWOSAXNHWBPR-HUBLWGQQSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910026551 ZrC Inorganic materials 0.000 description 1
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- YZUCHPMXUOSLOJ-UHFFFAOYSA-N ethyne;thorium Chemical compound [Th].[C-]#[C] YZUCHPMXUOSLOJ-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 229910003470 tongbaite Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
Definitions
- the hard metals according to the present invention difier from the alloys hitherto known by their not being based on tungsten-carbides.
- Their main .efiective ingredients are one or sev- 5 eral carbides oi the elements zirconium, titanium,
- the present invention on the contrary has made it possible to obtain an alloy with the elements carbon, zirconium. titanium, thorium, cerium as the main effective constituent (and in particular titanium carbide), of which formed pieces voi any kind or shape can be made for hard metal tools and implements, which distin: guish themselves by their great hardness, and
- the ingredients of elements of the titanium group must amount to at least 20% and the ingredients of elements of the iron and/or chromium group must amount to at least 8%.
- the binding of the. carbides of the titanium group with the elements of their-on and/or chromium group canaccording to this inventlontake
- the sintering temperature for instancev lies at about 1400-1700" C. and the melting temperature above it, though no definite limits can be drawn, as these depend on the kind and proportion of the components.
- the molten alloys As for the molten alloys it is true that a process for obtaining molten bodies of titamum-carbide with low melting auxiliary metals has become known, but only if the proportion of titanium-carbide was not below 60%, serviceable tools could be obtained by this process. I, on the contrary have found, that a specially good product is obtained'by using molten alloys as'described in the examples mentioned hereafter.
- the combination of the titanium group-carbides with the elements of the iron and/or chromium group can also be carried out in such a manner that the binding mediums are made up separately in the form of an alloy of the iron or chromium group respectively, that they are then united with the pressed carbide body and brought to Germany May '5, 1930.
- a certain reciprocal action of the carbon takes place between titanium and zirconium carbide on the one hand and the elements of the chromium group on the other hand so that in addition to, for instance, titanium carbide, elementary titanium may be present and in addition to tungsten, or chromium. tungsten carbide and chromium carbide may be present.
- Sintered hard metal alloy for working tools consisting of 35 to 45% T1, to-% Ni, 5 to 10% Cr., 10 to 20% W, and 6 to 10% C, the Tibeing in carbide iorm.
- Sintered hard metal alloy for working tools consisting of 30 to Ti, 15 to 25% Co, 15 to 25% Cr, 15 to 25% W and 7 to 10% C, the Tibeing in carbide form.
- a sintered hard metal alloy for working tools consisting of between 20 and of titanium carbide, between 15 and 01' the elements chromium and tungsten taken together, there being at least 5% or each of the said two elements, and the balance consisting of a substantial amount of the iron group; said alloy containing between 6 and 10% carbon.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
Description
' place-either by sinterlng or by melting.
assess as, we
'llAL on Julius Eolzger, Bach, near Munich, Ger- Bolil gnor, by e Manta-to Gehr- & 80., Ahtieng chait, r, Ger
No a. Application May d, 1931, Serial No.
The hard metals according to the present invention difier from the alloys hitherto known by their not being based on tungsten-carbides. Their main .efiective ingredients are one or sev- 5 eral carbides oi the elements zirconium, titanium,
thorium, cerium.
Whereas it has been proposed before now to add titaniumand thorium-carbide to hard metal alloys, the proportion added-has always been a small one and the basis has always been tungsten-carbide.
The present invention on the contrary has made it possible to obtain an alloy with the elements carbon, zirconium. titanium, thorium, cerium as the main effective constituent (and in particular titanium carbide), of which formed pieces voi any kind or shape can be made for hard metal tools and implements, which distin: guish themselves by their great hardness, and
"their extraordinary sharpness and toughness.
An important improvement has been achieved by alloying carbides of the titanium group consisting of titanium, zirconium, thorium and cerium with the elements of the chromium group (chromium, molybdenum, tungsten) and ele-. ments of the iron group (iron, cobalt, nickel,
manganese) or with elements from both groups. The ingredients of elements of the titanium group must amount to at least 20% and the ingredients of elements of the iron and/or chromium group must amount to at least 8%. The binding of the. carbides of the titanium group with the elements of their-on and/or chromium group canaccording to this inventlontake The sintering temperature for instancev lies at about 1400-1700" C. and the melting temperature above it, though no definite limits can be drawn, as these depend on the kind and proportion of the components. As for the molten alloys it is true that a process for obtaining molten bodies of titamum-carbide with low melting auxiliary metals has become known, but only if the proportion of titanium-carbide was not below 60%, serviceable tools could be obtained by this process. I, on the contrary have found, that a specially good product is obtained'by using molten alloys as'described in the examples mentioned hereafter. The combination of the titanium group-carbides with the elements of the iron and/or chromium group can also be carried out in such a manner that the binding mediums are made up separately in the form of an alloy of the iron or chromium group respectively, that they are then united with the pressed carbide body and brought to Germany May '5, 1930.
dlfiuse by heat treatment. It is true, that a process of imbibing carbides with low melting metals is known, but-this is based onthe capillary efiect of sintered carbides. The carbides of the titanium group do not show the peculiarity of the capillary suction forces. To unite these carbides with binding mediums the latter have to be heated about 800 to 300 above the melting point. Only owing to this overheating the melt begins to act on the carbide body and to penetrate therein. After the absorption of the melt by the carbide body it is necessary to further increase the temperature 50 to 100 C. for a short period in order to obtain a uniformly penetrated body.
Among others the following are examples of hard metals for cutting tools and other implements accor to the present invention:
with apart by weight of at least 25%. This is due to the fact that the efiect of these elements does not depend on the part by weight but on the part by volume which is at leastequal to the part by volume of any other constituent of the alloy in a powdery form or state, 1
Molten hard met'aifalloys of tungsten or tungstem-carbide as main- 'constitue t have hitherto become mown to which titani and zirconium up to 20 may be added. However, siutered hard metal alloys were notknown which consist of at least one \of the elements titanium or zirconium and slsocarbon as nl. constituent with at least one binding metal from the metals of the chromium or the iron groups. It has proved very ad'-- to known hard metals for working metals, glass, coal and rock.
The binding of the carbides and other constitsolid state. When sintering the powdery mixture,
1 a certain reciprocal action of the carbon takes place between titanium and zirconium carbide on the one hand and the elements of the chromium group on the other hand so that in addition to, for instance, titanium carbide, elementary titanium may be present and in addition to tungsten, or chromium. tungsten carbide and chromium carbide may be present.
What I claim is:
- 1. Sintered hard metal alloy for working tools, consisting of 35 to 45% T1, to-% Ni, 5 to 10% Cr., 10 to 20% W, and 6 to 10% C, the Tibeing in carbide iorm.
2. Sintered hard metal alloy for working tools. consisting of 30 to Ti, 15 to 25% Co, 15 to 25% Cr, 15 to 25% W and 7 to 10% C, the Tibeing in carbide form. v
3. A sintered hard metal alloy for working tools, consisting of between 20 and of titanium carbide, between 15 and 01' the elements chromium and tungsten taken together, there being at least 5% or each of the said two elements, and the balance consisting of a substantial amount of the iron group; said alloy containing between 6 and 10% carbon.
, JULIUS HOLZBERGER.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1992372X | 1930-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1992372A true US1992372A (en) | 1935-02-26 |
Family
ID=7908993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US535076A Expired - Lifetime US1992372A (en) | 1930-05-07 | 1931-05-04 | Hard metal alloy |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1992372A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2736086A (en) * | 1956-02-28 | Corrosion-resistant cemented titanium | ||
| US2753261A (en) * | 1952-09-30 | 1956-07-03 | Sintercast Corp America | Sintering process for forming a die |
| US2765227A (en) * | 1950-12-16 | 1956-10-02 | Sintercast Corp America | Titanium carbide composite material |
| US2818332A (en) * | 1956-10-22 | 1957-12-31 | Eaton Mfg Co | High temperature, high strength alloy |
| US2818331A (en) * | 1956-10-22 | 1957-12-31 | Eaton Mfg Co | High temperature, high strength alloy |
| US2862288A (en) * | 1955-02-15 | 1958-12-02 | Gen Electric | Non-consumable inert gas welding electrodes |
| US20160010180A1 (en) * | 2014-07-14 | 2016-01-14 | Yong Kyu Choi | Composition for titanium-tungsten metal alloy |
-
1931
- 1931-05-04 US US535076A patent/US1992372A/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2736086A (en) * | 1956-02-28 | Corrosion-resistant cemented titanium | ||
| US2765227A (en) * | 1950-12-16 | 1956-10-02 | Sintercast Corp America | Titanium carbide composite material |
| US2753261A (en) * | 1952-09-30 | 1956-07-03 | Sintercast Corp America | Sintering process for forming a die |
| US2862288A (en) * | 1955-02-15 | 1958-12-02 | Gen Electric | Non-consumable inert gas welding electrodes |
| US2818332A (en) * | 1956-10-22 | 1957-12-31 | Eaton Mfg Co | High temperature, high strength alloy |
| US2818331A (en) * | 1956-10-22 | 1957-12-31 | Eaton Mfg Co | High temperature, high strength alloy |
| US20160010180A1 (en) * | 2014-07-14 | 2016-01-14 | Yong Kyu Choi | Composition for titanium-tungsten metal alloy |
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