CN107699733A - One Albatra metal and preparation method thereof - Google Patents
One Albatra metal and preparation method thereof Download PDFInfo
- Publication number
- CN107699733A CN107699733A CN201711161239.7A CN201711161239A CN107699733A CN 107699733 A CN107699733 A CN 107699733A CN 201711161239 A CN201711161239 A CN 201711161239A CN 107699733 A CN107699733 A CN 107699733A
- Authority
- CN
- China
- Prior art keywords
- copper alloy
- hours
- present
- preparation
- alloy
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
Abstract
The invention provides Albatra metal and preparation method thereof, including：Ni4.5wt% 8.6wt%, B 1.1wt% 1.8wt%, Al 0.4wt% 0.9wt%, Co0.1wt% 0.5wt%, Nb 0.4wt% 1.1wt%, Ti 0.5wt% 1.3wt%, Cr0.2wt% 0.6wt%, Mn 1.2wt% 1.9wt%, P 0.2wt% 0.7wt%, Sn1.3wt% 1.8wt%, La 0.02wt% 0.08wt%, Nd 0.02wt% 0.08wt%, Tb0.01wt% 0.05wt%, surplus Cu.Copper alloy prepared by the present invention has good anti-wear performance.
Description
Technical field
The present invention relates to technical field of alloy, more particularly to Albatra metal and preparation method thereof.
Background technology
Copper alloy is the alloy being made up of using fine copper the one or more of other elements of matrix addition.Fine copper is in aubergine,
Also known as red copper.Fine copper density is 8.96, and fusing point is 1083 DEG C, has excellent Dao electricity ﹑ Dao Re ﹑ ductility and corrosion resistance.
It is mainly used in making electrotechnical apparatus and heat exchanger, pipeline, the solar energy such as generator, bus, cable, switching device, transformer
The heat conduction equipments such as the flat plate collector of heater.
Conventional copper alloy is divided into the major class of Huang Tong ﹑ Qing Tong ﹑ copper-nickel alloys 3.In the prior art, copper alloy has been obtained for widely
Report, for example, the Chinese patent literature of Application No. 201510852668.3 reports an Albatra metal, including following quality hundred
Divide the component of ratio：Aluminium 0.5-1%, molybdenum 1-1.5%, vanadium 1-2%, niobium 0.2-1%, phosphorus 1-2%, zinc 0.3%, rare earth 0.1-
0.5%, surplus is copper and is difficult to the impurity removed；Above-mentioned dispensing is put into furnace after being sufficiently mixed and heated.Application No.
201510835572.6 Chinese patent literature reports an Albatra metal, includes the component of following mass percent：Zinc 0.5-
1%, titanium 0.2-0.5%, silicon 1.5-2.5%, molybdenum 0.5-1%, vanadium 0.5-1%, zirconium 0.1-0.3%, surplus are copper and are difficult to
The impurity removed；Above-mentioned dispensing is put into furnace after being sufficiently mixed and heated.The Chinese patent text of Application No. 201510900516.6
Offer and report an Albatra metal, alloy peace mass percent is：Silicon 10-11%, bismuth 5-6%, manganese 7-8%, aluminium 1-3%, barium
2-5%, beryllium 0.1-0.3%, remaining is copper and is difficult to the impurity removed；Above-mentioned dispensing is put into furnace after being sufficiently mixed and heated simultaneously
Carry out die casting.The Chinese patent literature of Application No. 201410206768.4 reports an Albatra metal, is related to alloy material skill
Art field, include the component of following mass percent：Aluminium 7.5%-8.5%, iron 2.5%-3.0%, phosphorus 2%, rare earth 0.1%-
0.3%, nickel 1%-2%, surplus is copper.
But it is considered as desirable by the inventor to the wearability of the copper alloy of above-mentioned report is up for further improving.
The content of the invention
Present invention solves the technical problem that being to provide Albatra metal and preparation method thereof, there is good wearability.
In view of this, the invention provides an Albatra metal, including following component：Ni 4.5wt%-8.6wt%, B
1.1wt%-1.8wt%, Al 0.4wt%-0.9wt%, Co 0.1wt%-0.5wt%, Nb 0.4wt%-1.1wt%, Ti
0.5wt%-1.3wt%, Cr 0.2wt%-0.6wt%, Mn 1.2wt%-1.9wt%, P 0.2wt%-0.7wt%, Sn
1.3wt%-1.8wt%, La 0.02wt%-0.08wt%, Nd 0.02wt%-0.08wt%, Tb 0.01wt%-
0.05wt%, surplus Cu.
Preferably, B 1.2wt%-1.6wt%.
Preferably, Al 0.5wt%-0.8wt%.
Preferably, Co 0.2wt%-0.4wt%.
Preferably, Ti 0.7wt%-1.1wt%.
Preferably, Sn 1.4wt%-1.7wt%.
Preferably, La 0.03wt%-0.07wt%.
Preferably, Nd 0.03wt%-0.04wt%.
Preferably, Tb 0.01wt%-0.03wt%.
Accordingly, the present invention also provides a kind of preparation method of above-mentioned copper alloy, comprises the following steps：According to above-mentioned technology
Copper alloy described in scheme weighs Ni, B, Al, Co, Nb, Ti, Cr, Mn, P, Sn, La, Nd, Tb, using high frequency melting furnace by alloy
Elements melt, cast with 15 DEG C/sec of cooling velocity, obtain ingot bar；The ingot bar is incubated 8-12 hours at 500 DEG C, then
650 DEG C of insulation 3-8 hours are warming up to, water quenching, obtain copper alloy.
The present invention provides Albatra metal and preparation method thereof, including following component：Ni 4.5wt%-8.6wt%, B
1.1wt%-1.8wt%, Al 0.4wt%-0.9wt%, Co 0.1wt%-0.5wt%, Nb 0.4wt%-1.1wt%, Ti
0.5wt%-1.3wt%, Cr 0.2wt%-0.6wt%, Mn 1.2wt%-1.9wt%, P 0.2wt%-0.7wt%, Sn
1.3wt%-1.8wt%, La 0.02wt%-0.08wt%, Nd 0.02wt%-0.08wt%, Tb 0.01wt%-
0.05wt%, surplus Cu.Compared with prior art, the present invention with Ni, B, Al, Co, Nb, Ti, Cr, Mn, P, Sn, La, Nd,
Tb, Cu are composition, interaction, influence each other, improve the anti-wear performance of the copper alloy of preparation.
Embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described with reference to embodiment, still
It should be appreciated that these descriptions are simply further explanation the features and advantages of the present invention, rather than to the claims in the present invention
Limitation.
The embodiment of the invention discloses an Albatra metal, including following component：Ni 4.5wt%-8.6wt%, B
1.1wt%-1.8wt%, Al 0.4wt%-0.9wt%, Co 0.1wt%-0.5wt%, Nb 0.4wt%-1.1wt%, Ti
0.5wt%-1.3wt%, Cr 0.2wt%-0.6wt%, Mn 1.2wt%-1.9wt%, P 0.2wt%-0.7wt%, Sn
1.3wt%-1.8wt%, La 0.02wt%-0.08wt%, Nd 0.02wt%-0.08wt%, Tb 0.01wt%-
0.05wt%, surplus Cu.
Preferably, B 1.2wt%-1.6wt%；Al 0.5wt%-0.8wt%；Co 0.2wt%-0.4wt%；
Ti 0.7wt%-1.1wt%；Sn 1.4wt%-1.7wt%；La 0.03wt%-0.07wt%；Nd 0.03wt%-
0.04wt%；Tb 0.01wt%-0.03wt%.
Accordingly, the present invention provides the preparation method of an Albatra metal, comprises the following steps：According to above-mentioned technical proposal institute
The copper alloy stated weighs Ni, B, Al, Co, Nb, Ti, Cr, Mn, P, Sn, La, Nd, Tb, Cu, using high frequency melting furnace that alloy is first
Element fusing, is cast with 15 DEG C/sec of cooling velocity, obtains ingot bar；The ingot bar is incubated 8-12 hours at 500 DEG C, Ran Housheng
Temperature water quenching, obtains copper alloy to 650 DEG C of insulation 3-8 hours.
From above scheme as can be seen that the present invention using Ni, B, Al, Co, Nb, Ti, Cr, Mn, P, Sn, La, Nd, Tb, Cu as
Composition, interaction, influences each other, improves the anti-wear performance of the copper alloy of preparation.
For a further understanding of the present invention, technical scheme provided by the invention is carried out specifically with reference to embodiment
Bright, protection scope of the present invention is not limited by the following examples.
The raw material that the embodiment of the present invention uses is purchased in market.
Embodiment 1
The composition of copper alloy is as follows：
Ni 4.5wt%, B 1.8wt%, Al 0.4wt%, Co 0.5wt%, Nb 0.4wt%, Ti 1.3wt%, Cr
0.2wt%, Mn 1.9wt%, P 0.2wt%, Sn 1.8wt%, La 0.02wt%, Nd 0.08wt%, Tb 0.01wt%,
Surplus is Cu.
According to the composition of copper alloy, using high frequency melting furnace, alloying element is melted, cast with 15 DEG C/sec of cooling velocity
The alloy is made, obtains ingot bar；
10 hours are incubated at 500 degrees Celsius to the copper alloy ingot bar of above-mentioned preparation, is then incubated 5 hours at 650 DEG C, water
Quench, obtain copper alloy.
The performance of copper alloy manufactured in the present embodiment is detected, at 800 DEG C, the tensile strength of copper alloy is
932MPa, elongation after fracture 44%, 1800 hours without abrasion.
Embodiment 2
The composition of copper alloy is as follows：
Ni 8.6wt%, B 1.1wt%, Al 0.9wt%, Co 0.1wt%, Nb 1.1wt%, Ti 0.5wt%, Cr
0.6wt%, Mn 1.2wt%, P 0.7wt%, Sn 1.3wt%, La 0.08wt%, Nd 0.02wt%, Tb 0.05wt%,
Surplus is Cu.
According to the composition of copper alloy, using high frequency melting furnace, alloying element is melted, cast with 15 DEG C/sec of cooling velocity
The alloy is made, obtains ingot bar；
10 hours are incubated at 500 degrees Celsius to the copper alloy ingot bar of above-mentioned preparation, is then incubated 5 hours at 650 DEG C, water
Quench, obtain copper alloy.
The performance of copper alloy manufactured in the present embodiment is detected, at 800 DEG C, the tensile strength of copper alloy is
922MPa, elongation after fracture 43%, 1800 hours without abrasion.
Embodiment 3
The composition of copper alloy is as follows：
Ni 4.5wt%, B 1.1wt%, Al 0.4wt%, Co 0.1wt%, Nb 0.4wt%, Ti 1.3wt%, Cr
0.6wt%, Mn 1.9wt%, P 0.7wt%, Sn 1.8wt%, La 0.08wt%, Nd 0.08wt%, Tb 0.05wt%,
Surplus is Cu.
According to the composition of copper alloy, using high frequency melting furnace, alloying element is melted, cast with 15 DEG C/sec of cooling velocity
The alloy is made, obtains ingot bar；
10 hours are incubated at 500 degrees Celsius to the copper alloy ingot bar of above-mentioned preparation, is then incubated 5 hours at 650 DEG C, water
Quench, obtain copper alloy.
The performance of copper alloy manufactured in the present embodiment is detected, at 800 DEG C, the tensile strength of copper alloy is
908MPa, elongation after fracture 43%, 1800 hours without abrasion.
Embodiment 4
The composition of copper alloy is as follows：
Ni 8.6wt%, B 1.8wt%, Al 0.9wt%, Co 0.5wt%, Nb 1.1wt%, Ti 0.5wt%%, Cr
0.2wt%, Mn 1.2wt%, P 0.3wt%, Sn 1.4wt%, La 0.03wt%, Nd 0.03wt%, Tb 0.04wt%,
Surplus is Cu.
According to the composition of copper alloy, using high frequency melting furnace, alloying element is melted, cast with 15 DEG C/sec of cooling velocity
The alloy is made, obtains ingot bar；
10 hours are incubated at 500 degrees Celsius to the copper alloy ingot bar of above-mentioned preparation, is then incubated 5 hours at 650 DEG C, water
Quench, obtain copper alloy.
The performance of copper alloy manufactured in the present embodiment is detected, at 800 DEG C, the tensile strength of copper alloy is
912MPa, elongation after fracture 43%, 1800 hours without abrasion.
Embodiment 5
The composition of copper alloy is as follows：
Ni 5.3wt%, B 1.6wt%, Al 0.6wt%, Co 0.2wt%, Nb 0.6wt%, Ti 1.1wt%, Cr
0.4wt%, Mn 1.3wt%, P 0.3wt%, Sn 1.6wt%, La 0.06wt%, Nd 0.03wt%, Tb 0.02wt%,
Surplus is Cu.
According to the composition of copper alloy, using high frequency melting furnace, alloying element is melted, cast with 15 DEG C/sec of cooling velocity
The alloy is made, obtains ingot bar；
10 hours are incubated at 500 degrees Celsius to the copper alloy ingot bar of above-mentioned preparation, is then incubated 5 hours at 650 DEG C, water
Quench, obtain copper alloy.
The performance of copper alloy manufactured in the present embodiment is detected, at 800 DEG C, the tensile strength of copper alloy is
925MPa, elongation after fracture 43%, 1800 hours without abrasion.
Embodiment 6
The composition of copper alloy is as follows：
Ni 6.2wt%, B 1.6wt%, Al 0.8wt%, Co 0.2wt%, Nb 0.8wt%, Ti 0.7wt%, Cr
0.3wt%, Mn 1.4wt%, P 0.3wt%, Sn 1.4wt%, La 0.03wt%, Nd 0.04wt%, Tb 0.03wt%,
Surplus is Cu.
According to the composition of copper alloy, using high frequency melting furnace, alloying element is melted, cast with 15 DEG C/sec of cooling velocity
The alloy is made, obtains ingot bar；
10 hours are incubated at 500 degrees Celsius to the copper alloy ingot bar of above-mentioned preparation, is then incubated 5 hours at 650 DEG C, water
Quench, obtain copper alloy.
The performance of copper alloy manufactured in the present embodiment is detected, at 800 DEG C, the tensile strength of copper alloy is
898MPa, elongation after fracture 42%, 1800 hours without abrasion.
Embodiment 7
The composition of copper alloy is as follows：
Ni 7wt%, B 1.6wt%, Al 0.4wt%, Co 0.5wt%, Nb 0.4wt%, Ti 1.3wt%, Cr
0.2wt%, Mn 1.9wt%, P 0.2wt%, Sn 1.5wt%, La 0.02wt%, Nd 0.06wt%, Tb 0.02wt%,
Surplus is Cu.
According to the composition of copper alloy, using high frequency melting furnace, alloying element is melted, cast with 15 DEG C/sec of cooling velocity
The alloy is made, obtains ingot bar；
10 hours are incubated at 500 degrees Celsius to the copper alloy ingot bar of above-mentioned preparation, is then incubated 5 hours at 650 DEG C, water
Quench, obtain copper alloy.
The performance of copper alloy manufactured in the present embodiment is detected, at 800 DEG C, the tensile strength of copper alloy is
930MPa, elongation after fracture 42%, 1800 hours without abrasion.
The explanation of above example is only intended to help the method and its core concept for understanding the present invention.It should be pointed out that pair
For those skilled in the art, under the premise without departing from the principles of the invention, the present invention can also be carried out
Some improvement and modification, these are improved and modification is also fallen into the protection domain of the claims in the present invention.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
- A 1. Albatra metal, it is characterised in that including following component：Ni 4.5wt%-8.6wt%, B 1.1wt%-1.8wt%, Al 0.4wt%-0.9wt%, Co 0.1wt%- 0.5wt%, Nb 0.4wt%-1.1wt%, Ti 0.5wt%-1.3wt%, Cr 0.2wt%-0.6wt%, Mn 1.2wt%- 1.9wt%, P 0.2wt%-0.7wt%, Sn 1.3wt%-1.8wt%, La 0.02wt%-0.08wt%, Nd 0.02wt%-0.08wt%, Tb 0.01wt%-0.05wt%, surplus Cu.
- 2. copper alloy according to claim 1, it is characterised in that B 1.2wt%-1.6wt%.
- 3. copper alloy according to claim 1, it is characterised in that Al 0.5wt%-0.8wt%.
- 4. copper alloy according to claim 1, it is characterised in that Co 0.2wt%-0.4wt%.
- 5. copper alloy according to claim 1, it is characterised in that Ti 0.7wt%-1.1wt%.
- 6. copper alloy according to claim 1, it is characterised in that Sn 1.4wt%-1.7wt%.
- 7. copper alloy according to claim 1, it is characterised in that La 0.03wt%-0.07wt%.
- 8. copper alloy according to claim 1, it is characterised in that Nd 0.03wt%-0.04wt%.
- 9. copper alloy according to claim 1, it is characterised in that Tb 0.01wt%-0.03wt%.
- 10. the preparation method of the copper alloy described in a kind of claim 1-9 any one, it is characterised in that comprise the following steps：According to the copper alloy described in claim 1-9 any one weigh Ni, B, Al, Co, Nb, Ti, Cr, Mn, P, Sn, La, Nd, Tb, Cu, alloying element is melted using high frequency melting furnace, cast with 15 DEG C/sec of cooling velocity, obtain ingot bar；The ingot bar is incubated 8-12 hours at 500 DEG C, 650 DEG C of insulation 3-8 hours is then heated to, water quenching, obtains copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711161239.7A CN107699733A (en) | 2017-11-20 | 2017-11-20 | One Albatra metal and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711161239.7A CN107699733A (en) | 2017-11-20 | 2017-11-20 | One Albatra metal and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107699733A true CN107699733A (en) | 2018-02-16 |
Family
ID=61180612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711161239.7A Pending CN107699733A (en) | 2017-11-20 | 2017-11-20 | One Albatra metal and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107699733A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030796A (en) * | 1987-06-27 | 1989-02-01 | 上海联谊有色金属型材厂 | Novel copper alloy used for gold-like decorative purpose |
| CN1101081A (en) * | 1992-11-04 | 1995-04-05 | 奥林公司 | Copper alloy having high strength and conductivity |
| CN1930314A (en) * | 2004-03-12 | 2007-03-14 | 住友金属工业株式会社 | Copper alloy and process for producing the same |
| CN103540793A (en) * | 2013-11-04 | 2014-01-29 | 李茜 | Method for preparing copper alloy valve pipe fitting |
| CN106244847A (en) * | 2016-08-31 | 2016-12-21 | 芜湖楚江合金铜材有限公司 | Copper-nickel alloy wire rod that a kind of high accuracy is wear-resisting and preparation method thereof |
-
2017
- 2017-11-20 CN CN201711161239.7A patent/CN107699733A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030796A (en) * | 1987-06-27 | 1989-02-01 | 上海联谊有色金属型材厂 | Novel copper alloy used for gold-like decorative purpose |
| CN1101081A (en) * | 1992-11-04 | 1995-04-05 | 奥林公司 | Copper alloy having high strength and conductivity |
| CN1930314A (en) * | 2004-03-12 | 2007-03-14 | 住友金属工业株式会社 | Copper alloy and process for producing the same |
| CN103540793A (en) * | 2013-11-04 | 2014-01-29 | 李茜 | Method for preparing copper alloy valve pipe fitting |
| CN106244847A (en) * | 2016-08-31 | 2016-12-21 | 芜湖楚江合金铜材有限公司 | Copper-nickel alloy wire rod that a kind of high accuracy is wear-resisting and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 刘瑞玲: "《铸造实用数据速查手册 第2版》", 31 May 2014, 机械工业出版社 * |
| 张玉庭: "《简明热处理工手册 第3版》", 30 June 2013, 机械工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100516272C (en) | High resistivity high magnetic conduction martensite-ferrite diphasic stainless steel and thermal treatment technique thereof | |
| CN102808105A (en) | Method for preparing shape memory copper alloy | |
| CN106756406B (en) | A kind of calomic | |
| JP4521739B2 (en) | Welding electrode made of nickel-base alloy and its alloy | |
| US20110041967A1 (en) | Eutectic Alloys of the Type FE 25-35 NI 15-25 MN 30-40 AL 10-20 M 0-5 and Methods for Production Thereof | |
| CN104762539A (en) | High-strength and high-abrasion weldable aluminum base alloy | |
| CN111057937A (en) | Electrothermal alloy iron-chromium-aluminum wire material and preparation method thereof | |
| CN101649424A (en) | Novel heat resistant steel | |
| CA2854064C (en) | Steel for welding | |
| CN104694779B (en) | A kind of B30 materials and preparation method thereof | |
| CN103774056A (en) | Novel austenitic stainless steel for ultra (super) critical coal-fired unit | |
| CN109988946A (en) | A kind of vacuum brazing fin material and preparation method thereof | |
| CN104651685A (en) | Aluminum magnesium alloy material and preparation method thereof | |
| CN105369077A (en) | Aluminum alloy conductor material and preparation method thereof | |
| CN105441757B (en) | One kind heat-resisting aluminium alloys of Be containing Mo and preparation method thereof | |
| US3729308A (en) | Iron nickel chromium alloys | |
| CN102816949B (en) | Copper-nickel 19 metal wire and preparation method thereof | |
| CN107699733A (en) | One Albatra metal and preparation method thereof | |
| CN106636850A (en) | High-strength rare earth doped alloy material with high-temperature oxidation resistance and preparation method | |
| CN102936690A (en) | Novel 9SiCrAlBN alloy tool steel | |
| CN105256203A (en) | Preparation method of aluminum alloy conductors | |
| US3828296A (en) | Sheathed electric heater elements | |
| CN105088002A (en) | Copper-aluminum-iron-nickel-manganese-tungsten-molybdenum alloy with improved thermal fatigue resistant property | |
| CN107287496A (en) | High tough spheroidal graphite cast-iron and its manufacturing process based on austenitic matrix | |
| CN102808125B (en) | Method for preparing high temperature resistant nickel base alloy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180216 |