CN103834878A - Cr-containing CraMAbMBcMCd amorphous alloy - Google Patents

Cr-containing CraMAbMBcMCd amorphous alloy Download PDF

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CN103834878A
CN103834878A CN201410115365.9A CN201410115365A CN103834878A CN 103834878 A CN103834878 A CN 103834878A CN 201410115365 A CN201410115365 A CN 201410115365A CN 103834878 A CN103834878 A CN 103834878A
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amorphous metal
crystaline amorphous
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CN103834878B (en
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张涛
逄淑杰
徐涛
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Beihang University
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Abstract

The invention discloses a Cr-containing CraMAbMBcMCd amorphous alloy with corrosion resistance, high strength, high hardness, high modulus and high glass-formation ability. The alloy specifically comprises the following chemical components in atomic ratio: CraMAbMBcMCd, wherein the atomic percents of the elements satisfy the following conditions: b is ranged from 1 to 60, c is ranged from 5 to 30, d is ranged from 0 to 5, the rest is a and a+b+c+d is equal to 100. The amorphous alloy has special theoretical and actual meaning for researching corrosion resistance and mechanical properties and the like of transition metal-based amorphous alloy.

Description

A kind of Cr containing Cr amA bmB cmC dnon-crystaline amorphous metal
Technical field
The present invention relates to a kind of non-crystaline amorphous metal, more particularly, refer to a kind of Cr containing Cr amA bmB cmC dnon-crystaline amorphous metal.
Background technology
Under existing processing condition, the non-crystaline amorphous metal preparing by flash set technology has unique performance because not possessing long-range atomic ordered structure.Therefore, the research of the exploitation to Novel amorphous alloy composition and performance becomes a key areas of investigation of materials.Cr is not only a kind of solidity to corrosion element while in various attack solution with self-passivation performance as a kind of transiting group metal elements, and it has again relatively high hardness, Young's modulus and fusing point.
Therefore, research and develop a kind of Cr containing Cr of anti-corrosion, high strength, high rigidity, high-modulus, high glass forming ability amA bmB cmC dnon-crystaline amorphous metal has special theoretical and practical significance to corrosion resistance nature and the mechanical property etc. of research magnesium-yttrium-transition metal base noncrystal alloy.
Summary of the invention
Technology of the present invention is dealt with problems: overcome the restriction of existing Cr-MA-MB-MC type non-crystaline amorphous metal glass forming ability, develop and have a kind of Cr containing Cr that maximum critical size is the high glass forming ability of 8mm amA bmB cmC dnovel amorphous alloy, specifically refer to a kind of Cr and a series of metallic element MA, class non-metallic element MB and rare earth element MC prepare by similar differential element infinitely small there is anti-corrosion, high strength, a kind of Cr containing Cr of high rigidity, high-modulus, high glass forming ability amA bmB cmC dnon-crystaline amorphous metal.
Technical solution of the present invention: a kind of Cr containing Cr amA bmB cmC dnon-crystaline amorphous metal, this Cr amA bmB cmC dmiddle MA is one or more in Sc, V, Mn, Fe, Co, Ni, Cu, Al, Ga, Sn, Zr, Nb, Mo, Hf, Ta, W, MB is one or more in P, B, C, Si, and MC is one or more in Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu; Cr amA bmB cmC din non-crystaline amorphous metal, the mole percent level of each element: b is that 1～60, c is that 5～30, d is 0～5, and surplus is a, and a+b+c+d=100.
A kind of Cr containing Cr of the present invention amA bmB cmC dnon-crystaline amorphous metal, preferred component is Cr 25fe 25co 10mo 15c 15b 8er 2, Cr 30fe 26co 7mo 14c 15b 6y 2, Cr 44.1fe 14.7mo 14.7c 14.7b 9.8y 2, Cr 45fe 11co 7mo 14c 15b 6y 2or Cr 50fe 10co 3mo 7c 17b 11er 2.
The present invention prepares a kind of Cr containing Cr amA bmB cmC dthe method of non-crystaline amorphous metal, it includes the following step:
Step 1: batching
According to Cr amA bmB cmC dnominal composition take each simple substance element, form a kind of Cr containing Cr of preparation amA bmB cmC dthe raw material of non-crystaline amorphous metal;
Described a kind of Cr containing Cr amA bmB cmC dnominal composition in the mass percent purity of element be all more than or equal to 99.9%;
Described a kind of Cr containing Cr amA bmB cmC dnominal composition in MA be one or more in Sc, V, Mn, Fe, Co, Ni, Cu, Al, Ga, Sn, Zr, Nb, Mo, Hf, Ta, W, MB is one or more in P, B, C, Si, and MC is one or more in Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu; Cr amA bmB cmC din non-crystaline amorphous metal, the mole percent level of each element: b is that 1～60, c is that 5～30, d is 0～5, and surplus is a, and a+b+c+d=100.
Step 2: master alloy melting ingot
The raw material that step 1 is weighed to gained is put into non-consumable formula vacuum arc melting furnace, regulates vacuum tightness≤1 × 10 in vacuum arc melting furnace -2pa, Heating temperature is 1500 DEG C～3000 DEG C, smelting time 3～20min; Under melting condition, refine and make for 1～5 time raw material melting even, after furnace cooling, take out master alloy ingot;
Step 3: prepare a kind of Cr containing Cr amA bmB cmC dnon-crystaline amorphous metal
A kind of Cr containing Cr that step 2 is prepared amA bmB cmC dthe induction furnace that master alloy ingot is put into quick solidification apparatus melts it completely, by spray to cast, solidify the cooling column Cr that obtains amA bmB cmC damorphous alloy material;
Induction melting parameter arranges: when melting, the vacuum tightness of vacuum induction furnace is≤1 × 10 -1pa, induced current 250～650mA, smelting temperature is 1000～1500 DEG C, smelting time is 1～3min;
Spray to cast pressure is 0.01～0.1MPa;
Speed of cooling is 10～10 5k/s.
Of the present invention have self-passivation, erosion rate (1 × 10 in 1M HCl solution -5mmyear -1～1 × 10 -3mmyear -1, than low 2 orders of magnitude of SUS316 stainless steel), the non-crystaline amorphous metal Cr of breaking tenacity (3.5～4.4GPa), vickers microhardness (12～14GPa), Young's modulus (210～240GPa), critical size (1～8mm) amA bmB cmC dadvantage is:
(1) the present invention designed that a kind of multicomponent that simultaneously contains multiple transiting group metal elements, metalloid element and rare earth element is anti-corrosion, a kind of Cr containing Cr of high strength, high rigidity, high-modulus, high glass forming ability amA bmB cmC dnon-crystaline amorphous metal, this corrosion resistance nature and mechanical property for theoretical and practical study magnesium-yttrium-transition metal base noncrystal alloy provides a kind of novel material.
(2) a kind of Cr containing Cr of anti-corrosion, high strength of the present invention, high rigidity, high-modulus, high glass forming ability amA bmB cmC dnon-crystaline amorphous metal has higher glass forming ability, by flash set technology, can obtain the non-crystaline amorphous metal rod that critical diameter is 8mm to the maximum.
(3) a kind of Cr containing Cr of anti-corrosion, high strength of the present invention, high rigidity, high-modulus, high glass forming ability amA bmB cmC dnon-crystaline amorphous metal has self-passivation in 1M HCl solution, the about 0.019v of its corrosion potential, the about 0.003Amm of corrosion current density -2, the about 0.8v of passivation region, the about 0.019Amm of passive current density -2, erosion rate <1 × 10 -4mmyear -1compressed rupture strength is 4.35 ± 0.05GPa approximately, vickers microhardness value is about 13.87 ± 0.2GPa, Young's modulus is about 236 ± 3GPa, shearing modulus 90 ± 3GPa, Bulk modulus 212 ± 3GPa, Poisson's ratio 0.315 ± 0.002, the high-corrosion resistance that it has and excellent mechanical property, enriched the foundation of studying non-crystaline amorphous metal corrosion resisting property and mechanical property.
Brief description of the drawings
Fig. 1 is Cr 45fe 11co 7mo 14c 15b 6y 2the X-ray diffractogram of as cast condition 2.5mm bar sample, collection of illustrative plates is typical diffuse scattering shape diffraction peak without obvious crystalline state phase diffraction peak, shows that this alloy structure is the non-crystalline state of homogeneous;
Fig. 2 is Cr 45fe 11co 7mo 14c 15b 6y 2the differential scanning calorimetric curve of as cast condition 2.5mm non-crystalline state bar sample, this amorphous alloy of curve display has obvious glass transformation temperature and supercooling liquid phase region, is the intrinsic feature of amorphous alloy;
Fig. 3 is Cr 45fe 11co 7mo 14c 15b 6y 2the Potentiodynamic anodic polarization curve of as cast condition 2mm non-crystalline state bar sample in 1M HCl solution, this amorphous alloy of curve display has the feature of self-passivation at 1M HCl solution, low corrosion potential, corrosion current density and passive current density, wide passivation region, and until approximately 1.0 volts of these alloys are that transpassivation is dissolved and spot corrosion does not occur, its erosion resistance is much better than SUS316 stainless steel;
Fig. 4 is Cr 45fe 11co 7mo 14c 15b 6y 2as cast condition 2mm non-crystalline state bar sample stress under compression strain curve, curve shows that in this axial compression process, this amorphous alloy has approximately 2% recoverable deformation, without significantly viscous deformation, fracture mode is a kind of fracture mode of typical fragility amorphous alloy, and has high breaking tenacity.
Embodiment
Introduce in detail the present invention below in conjunction with drawings and the specific embodiments.But following embodiment only limits to explain the present invention, and protection scope of the present invention should comprise the full content of claim, is not limited only to the present embodiment.
A kind of Cr containing Cr of the present invention amA bmB cmC dnon-crystaline amorphous metal, MA is one or more in Sc, V, Mn, Fe, Co, Ni, Cu, Al, Ga, Sn, Zr, Nb, Mo, Hf, Ta, W, MB is one or more in P, B, C, Si, and MC is one or more in Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu; Cr amA bmB cmC din non-crystaline amorphous metal, the mole percent level of each element: b is that 1～60, c is that 5～30, d is 0～5, and surplus is a, and a+b+c+d=100.A kind of Cr containing Cr of the present invention amA bmB cmC dnon-crystaline amorphous metal, preferred component is Cr 25mA 50mB 23mC 2(end points composition), Cr 30mA 47mB 21mC 2(inter-level), Cr 44.1mA 29.4mB 24.5mC 2(inter-level), Cr 45mA 32mB 21mC 2(optimum composition) or Cr 50mA 20mB 28mC 2(end points composition).
The present invention prepares a kind of Cr containing Cr amA bmB cmC dthe method of non-crystaline amorphous metal, it includes the following step:
Step 1: batching
According to Cr amA bmB cmC dnominal composition take each simple substance element, form a kind of Cr containing Cr of preparation amA bmB cmC dthe raw material of non-crystaline amorphous metal;
Described a kind of Cr containing Cr amA bmB cmC dnominal composition in the mass percent purity of element be all more than or equal to 99.9%;
Described a kind of Cr containing Cr amA bmB cmC dnominal composition in MA be one or more in Sc, V, Mn, Fe, Co, Ni, Cu, Al, Ga, Sn, Zr, Nb, Mo, Hf, Ta, W, MB is one or more in P, B, C, Si, and MC is one or more in Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu; Cr amA bmB cmC din non-crystaline amorphous metal, the mole percent level of each element: b is that 1～60, c is that 5～30, d is 0～5, and surplus is a, and a+b+c+d=100.
Step 2: master alloy melting ingot
The raw material that step 1 is weighed to gained is put into non-consumable formula vacuum arc melting furnace, regulates vacuum tightness≤1 × 10 in vacuum arc melting furnace -2pa, Heating temperature is 1500 DEG C～3000 DEG C, smelting time 3～20min; Under melting condition, refine and make for 1～5 time raw material melting even, after furnace cooling, take out master alloy ingot;
Step 3: prepare a kind of Cr containing Cr amA bmB cmC dnon-crystaline amorphous metal
A kind of Cr containing Cr that step 2 is prepared amA bmB cmC dthe induction furnace that master alloy ingot is put into quick solidification apparatus melts it completely, by spray to cast, solidify the cooling a kind of Cr containing Cr of column that obtains amA bmB cmC damorphous alloy material;
Induction melting parameter arranges: when melting, the vacuum tightness of vacuum induction furnace is≤1 × 10 -1pa, induced current 250～650mA, smelting temperature is 1000～1500 DEG C, smelting time is 1～3min;
Spray to cast pressure is 0.01～0.1MPa;
Speed of cooling is 10～10 5k/s.
Embodiment 1
Preparation has the Cr of the optimal synthesis performance of anti-corrosion, high strength, high rigidity, high-modulus, high glass forming ability, high-Cr 45fe 11co 7mo 14c 15b 6y 2the step of non-crystaline amorphous metal has:
Step 1: batching
The Cr of 100g processed 45fe 11co 7mo 14c 15b 6y 2the raw material that non-crystaline amorphous metal is required:
Cr is that 45.587g, Fe are that 11.969g, Co are that 8.037g, Mo are that 26.169g, C are that 3.51g, B are that 1.264g and Y are 3.464g;
The mass percent purity of each element of choosing is 99.9%;
Step 2: master alloy melting ingot
The raw material that step 1 is weighed to gained is put into non-consumable formula vacuum arc melting furnace, regulates vacuum tightness≤1 × 10 in vacuum arc melting furnace -2pa, Heating temperature is 1500 DEG C～3000 DEG C, smelting time 3～20min; Under melting condition, refine and make for 1～5 time raw material melting even, after furnace cooling, take out master alloy ingot;
Step 3: preparation Cr 45fe 11co 7mo 14c 15b 6y 2non-crystaline amorphous metal
The Cr that step 2 is prepared 45fe 11co 7mo 14c 15b 6y 2the induction furnace that master alloy ingot is put into quick solidification apparatus melts it completely, by spray to cast, solidify the cooling column Cr that obtains 45fe 11co 7mo 14c 15b 6y 2amorphous alloy material;
Induction melting parameter arranges: when melting, the vacuum tightness of vacuum induction furnace is≤1 × 10 -1pa, induced current 250～650mA, smelting temperature is 1000～1500 DEG C, smelting time is 1～3min; Spray to cast pressure is 0.01～0.1MPa; Speed of cooling is 10～10 5k/s.
The Cr that embodiment 1 is made 45fe 11co 7mo 14c 15b 6y 2cast alloy bar, through X-ray diffraction (as shown in Figure 1), differential scanning calorimeter (as shown in Figure 2), electrochemistry experiment (as shown in Figure 3), Compressive Mechanical experiment comparative analysis (as shown in Figure 4), draws: it can form the non-crystaline amorphous metal bar that critical diameter is 2.5mm; 698 DEG C of glass transformation temperatures, 736 DEG C of crystallization temperatures; In 1M HCl solution, there is self-passivation, the about 0.019v of its corrosion potential, the about 0.003Amm of corrosion current density -2, the about 0.8v of passivation region, the about 0.019Amm of passive current density -2, erosion rate <1 × 10 -4mmyear -1, compressed rupture strength is 4.35 ± 0.05GPa approximately, and vickers microhardness value is about 13.87 ± 0.2GPa, and Young's modulus is about 236 ± 3GPa, shearing modulus 90 ± 3GPa, Bulk modulus 212 ± 3GPa, Poisson's ratio 0.315 ± 0.002.There is obvious glass transformation temperature T g=698 DEG C is 38 DEG C (temperature heads between crystallization temperature and glass transformation temperature) between supercooling liquid phase region.
In the present invention, adopt the method system identical with embodiment 1 as the alloying constituent of table 1.It makes product through X-ray diffraction analysis, is single amorphous structure.
Figure BDA0000481968060000051
Figure BDA0000481968060000061
Embodiment 2
Preparation has anti-corrosion, high strength, high rigidity, high-modulus, maximum glass and forms the Cr of ability 30fe 26co 7mo 14c 15b 6y 2the step of non-crystaline amorphous metal has:
Step 1: batching
The Cr of 100g processed 30fe 26co 7mo 14c 15b 6y 2the raw material that non-crystaline amorphous metal is required:
Cr is that 30.053g, Fe are that 27.975g, Co are that 7.948g, Mo are that 25.878g, C are that 3.471g, B are that 1.25g and Y are 3.426g;
The mass percent purity of each element of choosing is 99.9%;
Step 2: master alloy melting ingot
The raw material that step 1 is weighed to gained is put into non-consumable formula vacuum arc melting furnace, regulates vacuum tightness≤1 × 10 in vacuum arc melting furnace -2pa, Heating temperature is 1500 DEG C～3000 DEG C, smelting time 3～20min; Under melting condition, refine and make for 1～5 time raw material melting even, after furnace cooling, take out master alloy ingot;
Step 3: preparation Cr 30fe 26co 7mo 14c 15b 6y 2non-crystaline amorphous metal
The Cr that step 2 is prepared 30fe 26co 7mo 14c 15b 6y 2the induction furnace that master alloy ingot is put into quick solidification apparatus melts it completely, by spray to cast, solidify the cooling column Cr that obtains 30fe 26co 7mo 14c 15b 6y 2amorphous alloy material;
Induction melting parameter arranges: when melting, the vacuum tightness of vacuum induction furnace is≤1 × 10 -1pa, induced current 250～650mA, smelting temperature is 1000～1500 DEG C, smelting time is 1～3min; Spray to cast pressure is 0.01～0.1MPa; Speed of cooling is 10～10 5k/s.
The Cr that embodiment 2 is made 30fe 26co 7mo 14c 15b 6y 2cast alloy bar, through X-ray diffraction, differential scanning calorimeter, electrochemistry experiment, Compressive Mechanical experiment comparative analysis, draws: it can form the non-crystaline amorphous metal bar that critical diameter is 3mm; 636 DEG C of glass transformation temperatures, 683 DEG C of crystallization temperatures; In 1M HCl solution, there is self-passivation, its corrosion potential approximately-0.02v, the about 0.004Amm of corrosion current density -2, the about 0.8v of passivation region, the about 0.025Amm of passive current density -2, erosion rate <1 × 10 -4mmyear -1, compressed rupture strength is 3.91 ± 0.05GPa approximately, and vickers microhardness value is about 12.96 ± 0.16GPa, and Young's modulus is about 227 ± 2GPa, shearing modulus 86 ± 2GPa, Bulk modulus 206 ± 3GPa, Poisson's ratio 0.316 ± 0.002.There is obvious glass transformation temperature T g=636 DEG C is 47 DEG C (temperature heads between crystallization temperature and glass transformation temperature) between supercooling liquid phase region.
Embodiment 3
Preparation has the Cr of anti-corrosion, maximum intensity, high rigidity, high-modulus 44.1fe 14.7mo 14.7c 14.7b 9.8y 2the step of non-crystaline amorphous metal has:
Step 1: batching
The Cr of 100g processed 44.1fe 14.7mo 14.7c 14.7b 9.8y 2the raw material that non-crystaline amorphous metal is required:
Cr is that 46.002g, Fe are that 16.47g, Mo are that 28.293g, C are that 3.542g, B are that 2.125g and Y are 3.567g;
The mass percent purity of each element of choosing is 99.9%;
Step 2: master alloy melting ingot
The raw material that step 1 is weighed to gained is put into non-consumable formula vacuum arc melting furnace, regulates vacuum tightness≤1 × 10 in vacuum arc melting furnace -2pa, Heating temperature is 1500 DEG C～3000 DEG C, smelting time 3～20min; Under melting condition, refine and make for 1～5 time raw material melting even, after furnace cooling, take out master alloy ingot;
Step 3: preparation Cr 44.1fe 14.7mo 14.7c 14.7b 9.8y 2non-crystaline amorphous metal
The Cr that step 2 is prepared 44.1fe 14.7mo 14.7c 14.7b 9.8y 2the induction furnace that master alloy ingot is put into quick solidification apparatus melts it completely, by spray to cast, solidify the cooling column Cr that obtains 44.1fe 14.7mo 14.7c 14.7b 9.8y 2amorphous alloy material; Induction melting parameter arranges: when melting, the vacuum tightness of vacuum induction furnace is≤1 × 10 -1pa, induced current 250～650mA, smelting temperature is 1000～1500 DEG C, smelting time is 1～3min; Spray to cast pressure is 0.01～0.1MPa; Speed of cooling is 10～10 5k/s.
The Cr that embodiment 3 is made 44.1fe 14.7mo 14.7c 14.7b 9.8y 2cast alloy bar, through X-ray diffraction, differential scanning calorimeter, electrochemistry experiment, Compressive Mechanical experiment comparative analysis, draws: it can form the non-crystaline amorphous metal bar that critical diameter is 1mm; 727 DEG C of glass transformation temperatures, 795 DEG C of crystallization temperatures; In 1M HCl solution, there is self-passivation, its corrosion potential approximately-0.025v, the about 0.003Amm of corrosion current density -2, the about 0.8v of passivation region, the about 0.04Amm of passive current density -2, erosion rate <1 × 10 -4mmyear -1, compressed rupture strength is 4.3 ± 0.04GPa approximately, and vickers microhardness value is about 14.15 ± 0.15GPa, and Young's modulus is about 249 ± 3GPa, shearing modulus 95 ± 2GPa, Bulk modulus 221 ± 3GPa, Poisson's ratio 0.312 ± 0.003.There is obvious glass transformation temperature T g=727 DEG C is 68 DEG C (temperature heads between crystallization temperature and glass transformation temperature) between supercooling liquid phase region
Embodiment 4
Preparation has the Cr of anti-corrosion, high strength, high rigidity, high-modulus, minimum chromium content 25fe 25co 10mo 15c 15b 8er 2the step of non-crystaline amorphous metal has:
Step 1: batching
The Cr of 100g processed 25fe 25co 10mo 15c 15b 8er 2the raw material that non-crystaline amorphous metal is required:
Cr is that 24.408g, Fe are that 26.216g, Co are that 11.066g, Mo are that 27.022g, C are that 3.383g, B are that 1.624g and Er are 6.281g;
The mass percent purity of each element of choosing is 99.9%;
Step 2: master alloy melting ingot
The raw material that step 1 is weighed to gained is put into non-consumable formula vacuum arc melting furnace, regulates vacuum tightness≤1 × 10 in vacuum arc melting furnace -2pa, Heating temperature is 1500 DEG C～3000 DEG C, smelting time 3～20min; Under melting condition, refine and make for 1～5 time raw material melting even, after furnace cooling, take out master alloy ingot;
Step 3: preparation Cr 25fe 25co 10mo 15c 15b 8er 2non-crystaline amorphous metal
The Cr that step 2 is prepared 25fe 25co 10mo 15c 15b 8er 2the induction furnace that master alloy ingot is put into quick solidification apparatus melts it completely, by spray to cast, solidify the cooling column Cr that obtains 25fe 25co 10mo 15c 15b 8er 2amorphous alloy material;
Induction melting parameter arranges: when melting, the vacuum tightness of vacuum induction furnace is≤1 × 10 -1pa, induced current 250～650mA, smelting temperature is 1000～1500 DEG C, smelting time is 1～3min; Spray to cast pressure is 0.01～0.1MPa; Speed of cooling is 10～10 5k/s.
The Cr that embodiment 4 is made 25fe 25co 10mo 15c 15b 8er 2cast alloy bar, through X-ray diffraction, differential scanning calorimeter, electrochemistry experiment, Compressive Mechanical experiment comparative analysis, draws: it can form the non-crystaline amorphous metal bar that critical diameter is 2mm; 580 DEG C of glass transformation temperatures, 633 DEG C of crystallization temperatures; In 1M HCl solution, there is self-passivation, its corrosion potential approximately-0.028v, the about 0.007Amm of corrosion current density -2, the about 0.75v of passivation region, the about 0.18Amm of passive current density -2, erosion rate 1 × 10 -3mmyear -1, compressed rupture strength is 3.55 ± 0.04GPa approximately, and vickers microhardness value is about 12.37 ± 0.06GPa, and Young's modulus is about 215 ± 3GPa, shearing modulus 82 ± 2GPa, Bulk modulus 197 ± 3GPa, Poisson's ratio 0.314 ± 0.003.There is obvious glass transformation temperature T g=580 DEG C is 53 DEG C (temperature heads between crystallization temperature and glass transformation temperature) between supercooling liquid phase region
Embodiment 5
Preparation has the Cr of anti-corrosion, high strength, high rigidity, high-modulus, the highest chromium content 50fe 10co 3mo 7c 17b 11er 2the step of non-crystaline amorphous metal has:
Step 1: batching
The Cr of 100g processed 50fe 10co 3mo 7c 17b 11er 2the raw material that non-crystaline amorphous metal is required:
Cr is that 55.739g, Fe are that 11.973g, Co are that 3.79g, Mo are that 14.398g, C are that 4.378g, B are that 2.55g and Er are 7.172g;
The mass percent purity of each element of choosing is 99.9%;
Step 2: master alloy melting ingot
The raw material that step 1 is weighed to gained is put into non-consumable formula vacuum arc melting furnace, regulates vacuum tightness≤1 × 10 in vacuum arc melting furnace -2pa, Heating temperature is 1500 DEG C～3000 DEG C, smelting time 3～20min; Under melting condition, refine and make for 1～5 time raw material melting even, after furnace cooling, take out master alloy ingot;
Step 3: preparation Cr 50fe 10co 3mo 7c 17b 11er 2non-crystaline amorphous metal
The Cr that step 2 is prepared 50fe 10co 3mo 7c 17b 11er 2the induction furnace that master alloy ingot is put into quick solidification apparatus melts it completely, by spray to cast, solidify the cooling column Cr that obtains 50fe 10co 3mo 7c 17b 11er 2amorphous alloy material;
Induction melting parameter arranges: when melting, the vacuum tightness of vacuum induction furnace is≤1 × 10 -1pa, induced current 250～650mA, smelting temperature is 1000～1500 DEG C, smelting time is 1～3min; Spray to cast pressure is 0.01～0.1MPa; Speed of cooling is 10～10 5k/s.
The Cr that embodiment 5 is made 50fe 10co 3mo 7c 17b 11er 2cast alloy bar, through X-ray diffraction, differential scanning calorimeter, electrochemistry experiment, Compressive Mechanical experiment comparative analysis, draws: it can form the non-crystaline amorphous metal bar that critical diameter is 1mm; 720 DEG C of glass transformation temperatures, 751 DEG C of crystallization temperatures; In 1M HCl solution, there is self-passivation, its corrosion potential approximately-0.035v, the about 0.01Amm of corrosion current density -2, the about 0.75v of passivation region, the about 0.06Amm of passive current density -2, erosion rate 1 × 10 -4mmyear -1, compressed rupture strength is 4.1 ± 0.04GPa approximately, and vickers microhardness value is about 14.37 ± 0.04GPa, and Young's modulus is about 218 ± 3GPa, shearing modulus 85 ± 2GPa, Bulk modulus 201 ± 3GPa, Poisson's ratio 0.314 ± 0.003.There is obvious glass transformation temperature T g=720 DEG C is 31 DEG C (temperature heads between crystallization temperature and glass transformation temperature) between supercooling liquid phase region
It should be noted that, according to the various embodiments described above of the present invention, those skilled in the art are the four corners that can realize independent claim of the present invention and appurtenance completely, implementation procedure and method same the various embodiments described above; And non-elaborated part of the present invention belongs to techniques well known.
The above; be only part embodiment of the present invention, but protection scope of the present invention is not limited to this, in the technical scope that any those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.

Claims (5)

1. the Cr containing Cr amA bmB cmC dnon-crystaline amorphous metal, is characterized in that: described Cr amA bmB cmC dmiddle MA is one or more in Sc, V, Mn, Fe, Co, Ni, Cu, Al, Ga, Sn, Zr, Nb, Mo, Hf, Ta, W, MB is one or more in P, B, C, Si, and MC is one or more in Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu; Cr amA bmB cmC din non-crystaline amorphous metal, the mole percent level of each element: b is that 1～60, c is that 5～30, d is 0～5, and surplus is a, and a+b+c+d=100.
2. a kind of Cr containing Cr according to claim 1 amA bmB cmC dnon-crystaline amorphous metal, is characterized in that: described Cr amA bmB cmC damorphous alloy component is Cr 25mA 50mB 23mC 2, Cr 30mA 47mB 21mC 2, Cr 44.1mA 29.4mB 24.5mC 2, Cr 45mA 32mB 21mC 2or Cr 50mA 20mB 28mC 2.
3. a kind of Cr containing Cr according to claim 1 amA bmB cmC dnon-crystaline amorphous metal, is characterized in that: described b is that 20～50, c is that 15～25, d is 1～3, and surplus is a, and a+b+c+d=100.
4. a kind of Cr containing Cr according to claim 1 amA bmB cmC dnon-crystaline amorphous metal, is characterized in that: described Cr amA bmB cmC damorphous alloy component is Cr 45fe 11co 7mo 14c 15b 6y 2.
5. a Cr who prepares containing Cr amA bmB cmC dthe method of non-crystaline amorphous metal, is characterized in that performing step is as follows:
Step 1: batching
According to a kind of Cr containing Cr claimed in claim 1 amA bmB cmC dcomposition take each simple substance element, form a kind of Cr containing Cr of preparation amA bmB cmC dthe raw material of non-crystaline amorphous metal;
Described a kind of Cr containing Cr amA bmB cmC dnominal composition in the mass percent purity of element be all more than or equal to 99.9%;
Described a kind of Cr containing Cr amA bmB cmC dnominal composition in MA be one or more in Sc, V, Mn, Fe, Co, Ni, Cu, Al, Ga, Sn, Zr, Nb, Mo, Hf, Ta, W, MB is one or more in P, B, C, Si, and MC is one or more in Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu; A kind of Cr containing Cr amA bmB cmC din non-crystaline amorphous metal, the mole percent level of each element: b is that 1～60, c is that 5～30, d is 0～5, and surplus is a, and a+b+c+d=100;
Step 2: master alloy melting ingot
The raw material that step 1 is weighed to gained is put into non-consumable formula vacuum arc melting furnace, regulates vacuum tightness≤1 × 10 in vacuum arc melting furnace -2pa, Heating temperature is 1500 DEG C～3000 DEG C, smelting time 3～20min; Under melting condition, refine and make for 1～5 time raw material melting even, after furnace cooling, take out master alloy ingot;
Step 3: prepare a kind of Cr containing Cr amA bmB cmC dnon-crystaline amorphous metal
A kind of Cr containing Cr that step 2 is prepared amA bmB cmC dthe induction furnace that master alloy ingot is put into quick solidification apparatus melts it completely, by spray to cast, solidify the cooling a kind of Cr containing Cr of column that obtains amA bmB cmC damorphous alloy material;
Induction melting parameter arranges: when melting, the vacuum tightness of vacuum induction furnace is≤1 × 10 -1pa, induced current 250～650mA, smelting temperature is 1000～1500 DEG C, smelting time is 1～3min;
Spray to cast pressure is 0.01～0.1MPa;
Speed of cooling is 10～10 5k/s.
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CN107287534A (en) * 2016-04-11 2017-10-24 新疆大学 Base block amorphous state alloys of a kind of Co for biomaterial and preparation method thereof
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