CN1844436A - High temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials - Google Patents

High temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials Download PDF

Info

Publication number
CN1844436A
CN1844436A CN 200610078061 CN200610078061A CN1844436A CN 1844436 A CN1844436 A CN 1844436A CN 200610078061 CN200610078061 CN 200610078061 CN 200610078061 A CN200610078061 A CN 200610078061A CN 1844436 A CN1844436 A CN 1844436A
Authority
CN
China
Prior art keywords
corrosion
sosoloid
high temperature
iron base
metal silicide
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.)
Granted
Application number
CN 200610078061
Other languages
Chinese (zh)
Other versions
CN100370051C (en
Inventor
王华明
袁源
张凌云
李安
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beihang University
Beijing University of Aeronautics and Astronautics
Original Assignee
Beihang University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beihang University filed Critical Beihang University
Priority to CNB2006100780615A priority Critical patent/CN100370051C/en
Publication of CN1844436A publication Critical patent/CN1844436A/en
Application granted granted Critical
Publication of CN100370051C publication Critical patent/CN100370051C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Coating By Spraying Or Casting (AREA)

Abstract

The invention discloses a high temperature wear-resisting Fe-Cr-Si based alloy material comprising Fe 45-68 wt%, Cr 20-36 wt%, Si 6-20 wt%. The main structure phases of the alloy material include: (1) Fe9Cr9Si2 metal silicide solid solution + Fe based solid solution, or (2) Fe9Cr9Si2 metal silicide solid solution+B2 type Fe based solid solution, or (3) B2 type Fe based solid solution+Cr3Si metal silicide solid solution+Fe5Si3 metal silicide solid solution.

Description

High temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials
Technical field
The present invention relates to a kind of ferrous alloy material, the more definite Fe-Cr-Si metal silicide ferrous alloy material that is meant a kind of wear-and corrosion-resistant, this alloy material can be applicable in metallurgy, the energy, oil, the electric power to bear in a large number the cast forms of the mechanical motion pair component of frictional wear effect and with methods such as adopting laser melting coating, plasma spraying, flame plating, electric arc spraying the wear-and corrosion-resistant component are carried out surface modification and reparation under corrosion and hot environment.
Background technology
In industry such as Aeronautics and Astronautics, oil, chemical industry and iron and steel, non-ferrous metal metallurgy and mechanized equipment, exist and under severe environment such as high temperature, corrosion and oxidation, bear the component of machine of strong friction abrasive action in a large number, require material to have excellent abrasive energy, corrosion resisting property, antioxidant property, low frictional coefficient concurrently, and good combination of strength and toughness.The ferrous alloy material that with the iron and steel is representative becomes current topmost structural metallic materials with its good obdurability, excellent formability, high performance-price ratio.Yet ferrous alloy performances such as traditional cast iron, stainless steel are single, are difficult to satisfy simultaneously above-mentioned wear-and corrosion-resistant service requirements.Industrial equipment is badly in need of having excellent wear-and corrosion-resistant ferrous alloy material simultaneously.
Summary of the invention
The objective of the invention is at of the particular requirement of wear-and corrosion-resistant kinematic pair component material, develop a kind of excellent abrasive energy that has concurrently, excellent corrosion resisting property, with the secondary new type high temperature wearable anti-corrosion Fe-Cr-Si metal silicide ferrous alloy material with good tribology compatibility of metal pairing, this alloy material can be applicable to metallurgy, the energy, oil, under corrosion and hot environment, bear the cast form and employing laser melting coating of the mechanical motion pair component of frictional wear effect in the electric power in a large number, plasma spraying, flame plating, methods such as electric arc spraying are carried out surface modification and reparation to the wear-and corrosion-resistant component.
The present invention is a kind of high temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials, and it is mainly elementary composition by Fe, Cr, three kinds of Si, and the weight percent of its Fe is 45～68, the weight percent of Cr is 20～36, the Si weight percent is 6～20; It is (a) σ phase Fe mutually that the main tissue of this alloy material is formed 9Cr 9Si 2Metal silicide sosoloid+iron-based sosoloid α, or (b) σ phase Fe 9Cr 9Si 2Metal silicide sosoloid+B2 sections based solid solution, or (c) B2 sections based solid solution+Cr 3Si metal silicide sosoloid+Fe 5Si 3Metal silicide sosoloid.
Described high temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials, it is (a) σ phase Fe mutually that its tissue is formed 9Cr 9Si 2The Chemical Composition Fe (wt%) of metal silicide sosoloid+iron-based sosoloid α is 58～64, Cr (wt%) is 29～33, Si (wt%) is 6.0～7.2, and the content sum of above-mentioned each composition is 100%; Alloy material hardness is 800～950HV.It is (b) σ phase Fe mutually that its tissue is formed 9Cr 9Si 2The Chemical Composition Fe (wt%) of metal silicide sosoloid+B2 sections based solid solution is 52～63, Cr (wt%) is 20～27, Si (wt%) is 14～15, and the content sum of above-mentioned each composition is 100%, and alloy material hardness is 500HV～1050HV.It is (c) B2 sections based solid solution+Cr mutually that its tissue is formed 3Si metal silicide sosoloid+Fe 5Si 3The Chemical Composition Fe (wt%) of metal silicide sosoloid is 45～60, Cr (wt%) is 20～37, Si (wt%) is 17～20, and the content sum of above-mentioned each composition is 100%, and alloy material hardness is 700HV～1000HV.
Described high temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials can add weight percent and is 0.1～4 Al and improve solidity to corrosion and antioxidant property.Can add weight percent and be 0.3～8 Mo and carry out alloying, to improve its hot strength and high temperature abrasion resistance.
Wearable anti-corrosion Fe-Cr-Si iron base alloy materials of the present invention, its main component are Fe, Cr, three kinds of elements of Si, and it is mainly formed is σ phase Fe mutually 9Cr 9Si 2With iron-based sosoloid.Owing to concentrated high rigidity, excellent abrasive and the corrosion resistance of intermetallic compound σ phase, and the good advantages such as obdurability of iron-based sosoloid, the Fe-Cr-Si wear-and corrosion-resistant ferrous alloy that the present invention relates to has excellent polishing machine, corrosion resisting property simultaneously, is applicable to that the kinematic pair component that are manufactured under wearing and tearing and the corrosive nature carry out surface modification and reparation with methods such as employing laser melting coating, plasma spraying, flame plating, electric arc sprayings to the wear-and corrosion-resistant component.
Description of drawings
Fig. 1 is alloy I and the anodic polarization curves figure of 1Cr18Ni9Ti stainless steel in the 3.5%NaCl aqueous solution.
Among the figure, 1 expression casting alloy I, 2 expression 1Crl8Ni9Ti stainless steels.
Embodiment
Choose the Fe-Cr-Si ferrous alloy of three typical compositions in the table 1, adopt induction furnace melting method, laser melting method, electron-beam process to prepare alloy cast ingot respectively, adopt laser cladding to prepare coating.
Table 1 alloy composition content (wt.%)
The alloy numbering Fe Cr Si
Alloy I 62.5±1.5 31.0±1 6.5±0.5
Alloy II 53.0±1.5 32.5±1 14.5±0.5
Alloy III 48.0±1.5 34.0±1 18.0±0.5
(1) the short ingot casting laser melting of alloy method:
With technically pure iron, chromium, Si powder is starting material, adopts water cooled copper mould laser melting stove (denomination of invention: the method for water cooled copper mould laser melting stove and melting ingot casting thereof, the patent No. 02121496) to melt out the short cylindrical shape alloy cast ingot of about 15 grams of weight.Ingot casting melting preparation process is: about 20 gram hybrid alloys powder material → connection water coolant → connection shielding gas → importing focussed laser beams of packing in water cooled copper mould carry out alloy melting → ingot casting and cool off → close water coolant → close shielding gas → take out ingot casting from water cooled copper moulds; the laser melting processing parameter is: laser output power 3kW; the about 4mm of spot diameter imports focussed laser beam and carries out the about 1min of smelting time.
(2) alloy cast ingot electron-beam process:
With technical pure metallic iron, chromium, silicon is raw material, adopts 20kW electron beam floating zone melting stove to prepare alloy cast ingot.Ingot casting melting preparation process is: add alloy raw material → vacuumize → lead to water coolant → importing focused beam and carry out alloy melting → ingot casting and cool off → close water coolant → taking-up ingot casting.The electron beam melting processing parameter is: vacuum tightness 10 -3Pa, electron beam gun output rating 13kW, the about 30s of smelting time.
(3) laser cladding coating preparation method
With 100～300 order iron, chromium, Si powder is raw material, at the JSK-8000 type 8kW CO that flows over continuously 2On the Materialbearbeitung mit Laserlicht integrated system, adopt fore-put powder method and gravity synchronous powder feeding system method, utilize laser melting and coating technique on the soft steel base material, to prepare Fe-Cr-Si antifriction anticorrosion alloy coating.Laser cladding technological parameter is: laser output power 2.5kW, and the about 4mm of spot diameter, the hot spot scanning speed is 300mm/min., flawless fine and close evenly through the coating structure of laser melting coating preparation, pore-free, with being metallurgical binding completely between the soft steel base material, coating structure is mainly by σ phase Fe 9Cr 9Si 2Metal silicide sosoloid and iron-based sosoloid α form.
(4) induction furnace melting method:
With the pure reguline metal of technical pure iron, chromium, silicon is starting material, and molten alloy in the common medium frequency induction melting furnace of 160kW 50Kg adopts the about 15Kg alloy cast ingot of sand casting process casting, adopts the bar-shaped alloy cast ingot of the metal mold teeming practice heavily about 10Kg of casting.The alloy melting castingprocesses is: add the basic slag protection when adding metallic iron and two kinds of raw material metals of chromium metal and the melting of switching on, melting earlier; molten clear back adds furnace charge silicon; tapping casting ingot casting after the alloy melt temperature reaches 1550～1650 ℃ is unpacked behind the cool to room temperature and is taken out foundry goods.
Intercept alloy cast ingot cross section metallographic specimen respectively, use saturated FeCl 3Hydrochloric acid soln and Ke Shi etching reagent (HF: HNO 3: H 2O=1: 6: 7) as metallographic etching agent, utilize Olympus BX51M type opticmicroscope and JSM-5800 sem observation microstructure respectively, utilize Link ISIS energy spectrometer to carry out the micro-area composition analysis.Utilize Rigaku D/max 2200 rotating anode X-ray diffractometers to form facies analysis.Analytical results shows, laser melting and induction furnace melting sand mold casting alloy I are organized as σ phase Fe 9Cr 9Si 2The full lamella eutectoid structure of metal silicide sosoloid and iron-based sosoloid α is formed; Laser melting alloy II is Fe 9Cr 9Si 2Nascent dentrite of metal silicide and interdendritic B2 sections based solid solution are formed; Laser melting alloy III is Cr 3The Si dentrite of coming into being, small amount of Fe 5Si 3Intermetallic silicide sosoloid and interdendritic B2 sections based solid solution are formed.Adopt the average hardness of the semi-automatic microhardness tester beta alloy of MH-6 type, test load is 1Kg, hold time 10s, and the average hardness of each Fe-Cr-Si wear-and corrosion-resistant ferrous alloy is: the hardness of alloy I is 850HV, the hardness of alloy II is 970HV, and the hardness of alloy III is 780HV.
Intercept the alloy cast ingot cross section respectively, on MM-200 type sliding wear testing machine, carry out the air setting sliding wear testing.Specimen size is 10mm * 10mm * 10mm, is No. 45 steel of quenching+low-temperaturetempering (hardness HRC58) to grinding hoop material, normal load 147N, and to bull ring rotating speed 200r/min, wearing-in period 60min, total about 1700m of sliding distance.Select for use spheroidal graphite cast iron (hardness HRC45～48) as the standard control sample.With precision is that the SARTORIUS BS110S type electronic balance of 0.1mg takes by weighing its wearing and tearing weight, with the pointer of relative wear resistance (=standard specimen wear weight loss amount/sample wear weight loss amount) as material wear ability.The results are shown in Table 2, its wear resistance improves 7～27.5 times than spheroidal graphite cast iron.
Table 2Fe-Cr-Si intermetallic silicide wear-and corrosion-resistant ferrous alloy and the contrast of spheroidal graphite cast iron air setting skimming wear relative wear resistance
Material Spheroidal graphite cast iron Alloy I Alloy II Alloy III
Relative wear resistance 1 27.5 7.0 16.7
Adopt the method for measuring anodic polarization curves, specimen size is 10mm * 10mm * 10mm, and the electrochemical corrosion performance of beta alloy in 3.5% the NaCl aqueous solution is selected austenitic stainless steel 1Crl8Ni9Ti sample as a comparison for use, and the result as shown in Figure 1.As seen the break current potential of alloy I in 3.5% the NaCl aqueous solution is far above the break current potential of austenitic stainless steel 1Cr18Ni9Ti in 3.5% the NaCl aqueous solution, in addition, there is not the passivation zone of transition in the anodic polarization curves of alloy I, passivation has just taken place in alloy under very low current potential, forming one deck on the surface is passive film, in quite wide potential range, it is stable that passive film keeps, so the corrosion resisting property of alloy I in 3.5% the NaCl aqueous solution is very good.
Adopt the immersion corrosion testing method, at 1mol/L H 2SO 4The corrosion resisting property of test and gold in the aqueous solution, selecting austenitic stainless steel 1Cr18Ni9Ti for use is control sample, with precision is that the SARTORIUSBS110S type electronic balance of 0.1mg takes by weighing its corrosion weight, and as the corrosion proof pointer of material, the result is as shown in table 3 with sample corrosion weight loss amount.As seen, alloy I, alloy II and alloy III show extraordinary corrosion resisting property in sulfuric acid.
Table 3Fe-Cr-Si wear-and corrosion-resistant ferrous alloy and 1Cr18Ni9Ti are at 1mol/L H 2SO 4Corrosion weight loss amount contrast in the aqueous solution:
Material 1Cr18Ni9Ti Alloy I Alloy II Alloy III
The corrosion weight loss amount 475.6mg 2.0mg 0.6mg 0.5mg
Alloy material of the present invention can be applicable in metallurgy, the energy, oil, the electric power to bear in a large number the cast forms of the mechanical motion pair component of frictional wear effect and with methods such as adopting laser melting coating, plasma spraying, flame plating, electric arc spraying the wear-and corrosion-resistant component is carried out surface modification and reparation under corrosion and hot environment.

Claims (8)

1, a kind of high temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials, it is characterized in that: this alloy material is mainly elementary composition by Fe, Cr, three kinds of Si, and the weight percent of its Fe is 45～68, the weight percent of Cr is 20～36, the Si weight percent is 6～20; It is (a) σ phase Fe mutually that the main tissue of this alloy material is formed 9Cr 9Si 2Metal silicide sosoloid+iron-based sosoloid α, or (b) σ phase Fe 9Cr 9Si 2Metal silicide sosoloid+B2 sections based solid solution, or (c) B2 sections based solid solution+Cr 3Si metal silicide sosoloid+Fe 5Si 3Metal silicide sosoloid.
2, high temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials according to claim 1 is characterized in that: it is (a) σ phase Fe mutually that tissue is formed 9Cr 9Si 2The Chemical Composition Fe (wt%) of metal silicide sosoloid+iron-based sosoloid α is 58～64, Cr (wt%) is 29～33, Si (wt%) is 6.0～7.2, and the content sum of above-mentioned each composition is 100%; Alloy material hardness is 800～950HV.
3, high temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials according to claim 1 is characterized in that: it is (b) σ phase Fe mutually that tissue is formed 9Cr 9Si 2The Chemical Composition Fe (wt%) of metal silicide sosoloid+B2 sections based solid solution is 52～63, Cr (wt%) is 20～27, Si (wt%) is 14～15, and the content sum of above-mentioned each composition is 100%, and alloy material hardness is 500HV～1050HV.
4, high temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials according to claim 1 is characterized in that: it is (c) B2 sections based solid solution+Cr mutually that tissue is formed 3Si metal silicide sosoloid+Fe 5Si 3The Chemical Composition Fe (wt%) of metal silicide sosoloid is 45～60, Cr (wt%) is 20～37, Si (wt%) is 17～20, and the content sum of above-mentioned each composition is 100%, and alloy material hardness is 700HV～1000HV.
5, high temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials according to claim 1 is characterized in that: add weight percent and be 0.1～4 Al and improve solidity to corrosion and antioxidant property.
6, high temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials according to claim 1 is characterized in that: add weight percent and be 0.3～8 Mo and carry out alloying, to improve its hot strength and high temperature abrasion resistance.
7, high temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials according to claim 1, it is characterized in that: adopt arc melting or induction melting method to carry out melting, by sand mold casting or permanent mold casting or investment precision casting technology manufacturing wearable anti-corrosion Fe-Cr-Si iron base alloy component of machine.
8, high temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials according to claim 1, it is characterized in that: adopt argon gas atomizing or centrifugal atomizing method to make powdered alloy, utilize laser melting coating, plasma spraying, flame plating or arc spray process the wear-and corrosion-resistant component to be repaired at metal component of machine surface preparation wearable anti-corrosion Fe-Cr-Si iron base alloy materials protective coating or employing laser melting coating, plasma spraying, flame plating or arc spray process.
CNB2006100780615A 2006-05-09 2006-05-09 High temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials Expired - Fee Related CN100370051C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006100780615A CN100370051C (en) 2006-05-09 2006-05-09 High temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006100780615A CN100370051C (en) 2006-05-09 2006-05-09 High temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials

Publications (2)

Publication Number Publication Date
CN1844436A true CN1844436A (en) 2006-10-11
CN100370051C CN100370051C (en) 2008-02-20

Family

ID=37063406

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006100780615A Expired - Fee Related CN100370051C (en) 2006-05-09 2006-05-09 High temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials

Country Status (1)

Country Link
CN (1) CN100370051C (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102230176A (en) * 2011-07-27 2011-11-02 王建升 Surface plasma cladding method of metal turbine runner
CN103695833A (en) * 2014-01-07 2014-04-02 苏州热工研究院有限公司 Material of wear-resistant anticorrosive coating for sludge incinerator, coating as well as method for preparing coating
CN105855536A (en) * 2016-05-16 2016-08-17 上海大学 Element-dropped Si-Cr-M solid solution powder and preparation method thereof
CN108728749A (en) * 2018-06-15 2018-11-02 澳洋集团有限公司 A kind of wear-resisting steel plate and preparation method thereof
CN110273114A (en) * 2019-08-06 2019-09-24 华北理工大学 A kind of wear-resisting iron silicochromium and preparation method thereof
CN112238548A (en) * 2020-10-12 2021-01-19 合肥坤擎机械科技有限公司 Durable spring air hole sleeve
CN113549915A (en) * 2021-06-16 2021-10-26 太原理工大学 Wear-resistant composite coating for toothed rail of mining scraper conveyor and preparation method thereof
CN113957356A (en) * 2021-10-27 2022-01-21 江苏智仁景行新材料研究院有限公司 Iron-based alloy for corrosion-resistant coating and application
WO2023030554A3 (en) * 2022-06-13 2023-04-27 华北理工大学 Fe-cr-si alloy and preparation method therefor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1207428C (en) * 2003-06-30 2005-06-22 北京航空航天大学 Ti-Ni-Si ternary metal silicide alloy coating material

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102230176A (en) * 2011-07-27 2011-11-02 王建升 Surface plasma cladding method of metal turbine runner
CN102230176B (en) * 2011-07-27 2012-09-26 王建升 Surface plasma cladding method of metal turbine runner
CN103695833A (en) * 2014-01-07 2014-04-02 苏州热工研究院有限公司 Material of wear-resistant anticorrosive coating for sludge incinerator, coating as well as method for preparing coating
CN105855536A (en) * 2016-05-16 2016-08-17 上海大学 Element-dropped Si-Cr-M solid solution powder and preparation method thereof
CN105855536B (en) * 2016-05-16 2019-04-16 上海大学 Si-Cr-M solid-solution powder of element doping and preparation method thereof
CN108728749A (en) * 2018-06-15 2018-11-02 澳洋集团有限公司 A kind of wear-resisting steel plate and preparation method thereof
CN110273114A (en) * 2019-08-06 2019-09-24 华北理工大学 A kind of wear-resisting iron silicochromium and preparation method thereof
CN112238548A (en) * 2020-10-12 2021-01-19 合肥坤擎机械科技有限公司 Durable spring air hole sleeve
CN113549915A (en) * 2021-06-16 2021-10-26 太原理工大学 Wear-resistant composite coating for toothed rail of mining scraper conveyor and preparation method thereof
CN113549915B (en) * 2021-06-16 2023-01-24 太原理工大学 Wear-resistant composite coating for toothed rail of mining scraper conveyor and preparation method thereof
CN113957356A (en) * 2021-10-27 2022-01-21 江苏智仁景行新材料研究院有限公司 Iron-based alloy for corrosion-resistant coating and application
WO2023030554A3 (en) * 2022-06-13 2023-04-27 华北理工大学 Fe-cr-si alloy and preparation method therefor

Also Published As

Publication number Publication date
CN100370051C (en) 2008-02-20

Similar Documents

Publication Publication Date Title
CN100370051C (en) High temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials
Ye et al. Microbeam plasma arc remanufacturing: Effects of Al on microstructure, wear resistance, corrosion resistance and high temperature oxidation resistance of AlxCoCrFeMnNi high-entropy alloy cladding layer
Zhang et al. Corrosion resistance and interfacial morphologies of novel Fe-Cr-Mo-B cast steels in molten aluminum
Gholipour et al. Microstructure and wear behavior of stellite 6 cladding on 17-4 PH stainless steel
TWI726875B (en) New powder composition and use thereof
Azimi et al. Effects of silicon content on the microstructure and corrosion behavior of Fe–Cr–C hardfacing alloys
Ding et al. Effect of Ti on the microstructure evolution and wear behavior of VN alloy/Co-based composite coatings by laser cladding
EP2639323A1 (en) Wear-resistant cobalt-based alloy and engine valve coated with same
EP2639324B1 (en) High-toughness cobalt-based alloy and engine valve coated with same
CN104195362A (en) Preparation method of high-boron and wear-resistant alloy
Tianshun et al. Microstructure and corrosive wear resistance of plasma sprayed Ni-based coatings after TIG remelting
CN100385028C (en) High temperature wearable anti-corrosion Co-Ti-Si intermetallic compound alloy materials
Ling et al. Interfacial morphology and tribo-corrosion behaviour of Fe-15.3 wt% Cr-3.1 wt% B-6.2 wt% Mo alloy in molten aluminium
Xu et al. In situ TiC/Ti2Ni reinforced CrTi4-based composites during laser cladding
WO2019189531A1 (en) Cr-Ni BASED ALLOY, RAPIDLY SOLIDIFIED MOLDED BODY MADE OF Cr-Ni BASED ALLOY, ALLOY POWDER, POWDER METALLURGY MOLDED BODY, CAST MOLDED BODY, PRODUCTION METHOD FOR Cr-Ni BASED ALLOY AND MECHANICAL EQUIPMENT USING Cr-Ni BASED ALLOY, AND PIPING MEMBER
CN1394977A (en) High-temp. wear-resisting anti-corrosive Co-Ni-Si metal silicide alloy material
Wang et al. An all-around way to analyze the corrosion behavior and the potential applications of high-entropy alloys coating
CN110484916A (en) A kind of high speed and ultrahigh speed laser melting coating Co-based alloy powder
CN104264150B (en) TiN coating die with good wear resistance and fatigue performance
CN115522130A (en) High-strength corrosion-resistant ocean engineering stainless steel and preparation method thereof
Mahmoodi et al. The effect of renewed melting process under electrical slag on the fatigue life of the precipitation hardened stainless steel Custom-450
CN1219098C (en) High temp wearing-resistant corrosion-resistant Ni-Mo-Si metal silicide alloy material
Melali et al. Influence of number of investment cast revert remelting on microstructure and mechanical properties of Fe–Cr–Co heat-resistant stainless steel alloy
CN115698351A (en) Deformable chromium-containing cobalt-based alloys with improved resistance to galling and chloride-induced crevice attack
Yi et al. Microstructures and erosion-corrosion behavior of Fe-B alloy containing chromium and nickel

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080220