US836567A - Steel alloy. - Google Patents
Steel alloy. Download PDFInfo
- Publication number
- US836567A US836567A US22087004A US1904220870A US836567A US 836567 A US836567 A US 836567A US 22087004 A US22087004 A US 22087004A US 1904220870 A US1904220870 A US 1904220870A US 836567 A US836567 A US 836567A
- Authority
- US
- United States
- Prior art keywords
- microstructure
- steel
- steels
- steel alloy
- silicon
- 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
- 229910000851 Alloy steel Inorganic materials 0.000 title 1
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
Definitions
- Pieces of which the following is a specifica-' tion.
- This invention has for its object animproved steel containing nickel.
- steels containing nickel are distributed in three groups'according to their microstructure.
- the first group is characterized by a pearlitic microstructure, the second one by a martensitic microstructure, and the third one by a olyhedrous microstructure. If to a steel containing nickel and having a pearlitic microstructure silicon in a proportion from 0.5 per cent. to two per cent. is added, the microstructure remains a pearlitic one; but the breaking load and the elastic limit is greatly increased, the striction, the lengthening, and the resistance to shocks being barely diminished.
- the following table compares, for instance, two types of these steels having a pearlitic microstructure and containing silicon with steels containing the same proportion oinickel and of carbon, but which do not contain silicon,
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Adornments (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Description
nnrrnn STATES P'rirnnr centre-Th5.
ALBERT DE DION AND GEORGES BOUTON, OF PUTEAUX, FRANCE.
STEEL ALLGY.
no. ceases.
Specification of Letters Patent.
Patented Nov. ac, race.
Application filed August 15, 190%. 8erial No. 220,870,
Pieces, of which the following is a specifica-' tion.
This invention has for its object animproved steel containing nickel.
It is known that steels containing nickel are distributed in three groups'according to their microstructure. The first group is characterized by a pearlitic microstructure, the second one by a martensitic microstructure, and the third one by a olyhedrous microstructure. If to a steel containing nickel and having a pearlitic microstructure silicon in a proportion from 0.5 per cent. to two per cent. is added, the microstructure remains a pearlitic one; but the breaking load and the elastic limit is greatly increased, the striction, the lengthening, and the resistance to shocks being barely diminished. The following table compares, for instance, two types of these steels having a pearlitic microstructure and containing silicon with steels containing the same proportion oinickel and of carbon, but which do not contain silicon,
- these steels having been assayed after annealing at a temperature of 900 centigrade and slow cooling:
If to a steel having a martnsiticmicrm structure silicon in a proportion from 0.5 per cent. to three per cent. is added, the micromore than with the steels having a pearlitic microstructure, the fragility of the steel being not increased. Some of these steels have a breaking load which has not been obtained hitherto.
Elastic (larbon. v Nickel. Silicon. aggi 0.150 12 1.5 170 140 0.120 15 1 its 155 the same may be performed, we deciare that what We claim is- Asa new article of manufacture, a steel containing nickel, and an amonnt oi silicon in the proportion of (3.5 to three per cent. with. resoect to the steel.
n testimony whereof We have hereunto set our hands in presence of two subscribing Witnesses.
. ALBERT DE DIQN. GEORGES BQUTQN. Witnesses:
Hanson C. Conn, PIERRE Lnrso.
structure remains a n artensitic one; but the breaking load and elastic limit is increased
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22087004A US836567A (en) | 1904-08-15 | 1904-08-15 | Steel alloy. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22087004A US836567A (en) | 1904-08-15 | 1904-08-15 | Steel alloy. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US836567A true US836567A (en) | 1906-11-20 |
Family
ID=2905041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US22087004A Expired - Lifetime US836567A (en) | 1904-08-15 | 1904-08-15 | Steel alloy. |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US836567A (en) |
-
1904
- 1904-08-15 US US22087004A patent/US836567A/en not_active Expired - Lifetime
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