CN101423919B - Fe-containing rare-earth-base amorphous alloy - Google Patents
Fe-containing rare-earth-base amorphous alloy Download PDFInfo
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- CN101423919B CN101423919B CN2008102391790A CN200810239179A CN101423919B CN 101423919 B CN101423919 B CN 101423919B CN 2008102391790 A CN2008102391790 A CN 2008102391790A CN 200810239179 A CN200810239179 A CN 200810239179A CN 101423919 B CN101423919 B CN 101423919B
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Abstract
The invention provides a Fe containing rare earth based non-crystal alloy, which is characterized in that the non-crystal alloy consists of Ln, Al, Ni, Cu and Fe elements in atom content percentage: (Ln0.62Al0.14Ni0.1Cu0.12)100-xFex, wherein x is more than 0 and less than or equal to 12, Ln is the rare earth element of La or Gd; particularly when the composition of the non-crystal alloy is close to (Ln0.62Al0.14Ni0.12Cu0.12)97Fe> and (Ln0.62Al0.14Ni0.12Cu0.12)91Fe9, the alloy has the maximum non-crystal forming capability. Compared with the prior rare earth based non-crystal alloy, the non-crystal alloy has higher non-crystal forming capability and lower material cost. The non-crystal alloy material prepared from the non-crystal alloy has better strength and magnetic property, and is widely applied to structural materials and functional materials.
Description
Technical field
The present invention relates to a kind of Fe of containing rare-earth-base amorphous alloy.
Background technology
Compare with traditional crystal alloy, non-crystaline amorphous metal has the excellent comprehensive performance usually, for example high strength, high rigidity, snappiness, good soft magnetic performance, good corrosion resisting property etc., thereby become key areas in the investigation of materials.Nineteen sixty, Duwez etc. adopt quick setting method to make Au-Si non-crystaline amorphous metal thin slice first, have opened the broad research to non-crystaline amorphous metal.But its formation ability of the non-crystaline amorphous metal of early discovery is lower, can form large-sized amorphous alloy material and only limit to the precious metal-based alloy, has limited the development in non-crystaline amorphous metal field.After late 1980s, a series of block amorphous alloys were succeeded in developing, non-crystaline amorphous metal had drawn increasing concern as a kind of novel high-performance material, and has broad application prospects.
Rare-earth-base amorphous alloy has the premium propertiess such as supercooled liquid interval of good soft magnetism, low melting point, broad.Develop cheap, formation ability height, rare-earth-base amorphous alloy that over-all properties is superior has important application value.Rare-earth-base amorphous alloy Ln-Al-Ni-Cu in the past, Ln refers to La or Gd, concrete composition is Ln
0.62Al
0.14Ni
0.12Cu
0.12, Ln refers to La or Gd, amorphous formation ability is still waiting to improve, for La
0.62Al
0.14Ni
0.12Cu
0.12, non-crystaline amorphous metal bar critical diameter be of a size of 10mm (referring to Tan H, Zhang Y, Ma D, Feng YP, Li Y.Acta Mater2003; 51:4551.), for Gd
0.62Al
0.14Ni
0.12Cu
0.12, non-crystaline amorphous metal bar critical diameter size less than 1mm (referring to Ji Yunfei. the rare earth based block amorphous alloy forms the research with performance. Beijing: BJ University of Aeronautics ﹠ Astronautics 2005; The graduation project paper), its over-all properties is still waiting further to send out to open.
Summary of the invention
Technology of the present invention is dealt with problems: overcome the deficiencies in the prior art, provide a kind of have a high amorphous formation ability contain Fe rare-earth-base amorphous alloy Ln-(Al-Ni-Cu)-Fe.
Technical solution of the present invention: a kind of Fe rare-earth-base amorphous alloy that contains, constitute by Ln, Al, Ni, Cu, Fe element, its Chemical Composition and atomic percent are (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
x, 0＜x ≦ 12 wherein, Ln is rare-earth elements La or Gd.
The Chemical Composition of described non-crystaline amorphous metal and atomic percent are (La
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Or (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9
The present invention's advantage compared with prior art is:
(1) the present invention adds Fe in existing rare-earth-base amorphous alloy composition, has improved its amorphous formation ability greatly, and has prepared the amorphous alloy material with superior use properties.The amorphous alloy material of the high amorphous formation ability of preparation is at alloy ingredient (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
xIn (0＜x ≦ 12) (Ln refers to La) scope, utilize copper mold casting method to prepare the above block amorphous alloy bar of diameter 16mm; At alloy ingredient (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
xIn (0＜x ≦ 12) (Ln refers to Gd) scope, utilize copper mold casting method to prepare the above block amorphous alloy bar of diameter 3mm.Be (La at composition especially
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3(Gd
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9When neighbouring, alloy has the highest amorphous formation ability.Non-crystaline amorphous metal of the present invention is compared with rare-earth-base amorphous alloy in the past has higher amorphous formation ability, lower material cost.The amorphous alloy material for preparing has higher intensity and good magnetic property, is with a wide range of applications at structured material and field of functional materials.
(2) non-crystaline amorphous metal that adopts the present invention to prepare has lower second-order transition temperature and thermostability preferably, at alloy ingredient (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
xIn (0＜x ≦ 12) (Ln refers to La) scope, second-order transition temperature is 403K～423K, and the supercooled liquid interval width is 45K～63K; At alloy ingredient (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
xIn (0＜x ≦ 12) (Ln refers to Gd) scope, second-order transition temperature is 505K～524K, and the supercooled liquid interval width is 27K～37K.
(3) (the La for preparing
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Non-crystaline amorphous metal has higher compressed rupture strength 578Mpa.
(4) at alloy ingredient (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
xIn (0＜x ≦ 12) (Ln refers to Gd) scope, the normal temperature magnetic property of non-crystaline amorphous metal shows the transformation of paramagnetism and soft magnetism; (the Gd for preparing
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9Non-crystaline amorphous metal has good cryomagnetism energy (saturation magnetization is near 200em/g).
Description of drawings
Fig. 1 is the present invention (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
xThe X-ray diffractogram of (0＜x ≦ 12) (Ln refers to La) non-crystaline amorphous metal sample;
Fig. 2 is the present invention (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
xThe hot analytical test DSC figure of (0＜x ≦ 12) (Ln refers to La) non-crystaline amorphous metal sample;
Fig. 3 is the present invention (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
xThe X-ray diffractogram of (0＜x ≦ 12) (Ln refers to Gd) non-crystaline amorphous metal sample;
Fig. 4 is the present invention (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
xThe hot analytical test DSC figure of (0＜x ≦ 12) (Ln refers to Gd) non-crystaline amorphous metal sample;
Fig. 5 is the present invention (La
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3The stress under compression strain curve figure of non-crystaline amorphous metal sample;
Fig. 6 is the present invention (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
xThe VSM graphic representation of (x=0,3,5,9,11,12) (Ln refers to Gd) non-crystaline amorphous metal sheet coupon (thickness is 1mm);
Fig. 7 is the present invention (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9The low temperature VSM graphic representation (probe temperature is 5K) of non-crystaline amorphous metal sheet coupon (thickness is 1mm).
Embodiment
Concrete preparation process of the present invention is:
Step 1: take by weighing each element
By aforesaid (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
x, 0＜x ≦ 12 wherein, Ln is that Chemical Composition and the atomic percent of rare-earth elements La or Gd calculates required quality of each element and umber, carries out weighing.
Step 2: preparation mother alloy
With step 1 claim desired raw material put into vacuum smelting furnace (NEV-M04C), regulate suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 50～150A, smelting temperature 1000～2000K; Furnace cooling after the melt back 3～4 times takes out and obtains mother alloy.
Step 3: preparation diameter 12mm and following non-crystaline amorphous metal bar
The mother alloy that step 2 is made shreds, and puts into the induction furnace with quick solidification apparatus, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time was spurted in the copper mold after 2～5 minutes, and promptly obtained the non-crystaline amorphous metal bar with the mould cooling.
Step 4: the above non-crystaline amorphous metal bar of preparation diameter 12mm
The mother alloy that step 2 is made shreds, and puts into the induction furnace of toppling over high-frequency induction device, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time poured into melt in the copper mold after 2～5 minutes, and promptly obtained the non-crystaline amorphous metal bar with the mould cooling.
With the section of the rare-earth-base amorphous alloy bar that makes intercepting intermediate portion, carry out the test of X ray phase structure, at alloy ingredient (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
xIn (0＜x ≦ 12) (Ln refers to La) scope, utilize copper mold casting method to prepare the above block amorphous alloy bar of diameter 16mm; At alloy ingredient (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
xIn (0＜x ≦ 12) (Ln refers to Gd) scope, utilize copper mold casting method to prepare the above block amorphous alloy bar of diameter 3mm.Portion carries out hot analytical test to the sample heart, obtains heat analysis data by the DSC curve, at alloy ingredient (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
xIn (0＜x ≦ 12) (Ln refers to La) scope, the second-order transition temperature of non-crystaline amorphous metal is 403K～423K, and the supercooled liquid interval width is 45K～63K; At alloy ingredient (Ln
0.62)
100-x(Al
0.14Ni
0.12Cu
0.12)
100-xFe
xIn (0＜x ≦ 12) (Ln refers to Gd) scope, the second-order transition temperature of non-crystaline amorphous metal is 505K～524K, and the supercooled liquid interval width is 27K～37K.
Non-crystaline amorphous metal bar intercepting Φ 3mm*6mm with making tests its compression mechanical property, (La
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Non-crystaline amorphous metal has higher compressed rupture strength 578MPa.The non-crystaline amorphous metal of preparation is carried out the magnetic test, at alloy ingredient (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
xIn (0＜x ≦ 12) (Ln refers to Gd) scope, non-crystaline amorphous metal shows the transformation of paramagnetism and soft magnetism.
Below in conjunction with specific embodiment the present invention is further described again
Preparation (La
0.62Al
0.14Ni
0.12Cu
0.12)
99Fe
1The non-crystaline amorphous metal bar
Step 1: take by weighing each element
By (La
0.62Al
0.14Ni
0.12Cu
0.12)
99Fe
1Chemical Composition and atomic percent calculate required quality of each element and umber, carry out weighing.
Step 2: preparation (La
0.62Al
0.14Ni
0.12Cu
0.12)
99Fe
1Mother alloy
With step 1 claim (La
0.62Al
0.14Ni
0.12Cu
0.12)
99Fe
1Raw material is put into vacuum smelting furnace, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 50～150A, smelting temperature 1000～2000K; Furnace cooling after the melt back 3～4 times takes out and obtains (La
0.62Al
0.14Ni
0.12Cu
0.12)
99Fe
1Mother alloy.
Step 3: preparation diameter 12mm and following (La
0.62Al
0.14Ni
0.12Cu
0.12)
99Fe
1The non-crystaline amorphous metal bar
(the La that step 2 is made
0.62Al
0.14Ni
0.12Cu
0.12)
99Fe
1Mother alloy shreds, and puts into the induction furnace with quick solidification apparatus, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K;
Fusing time was spurted in the copper mold after 2～5 minutes, and promptly obtained (La with the mould cooling
0.62Al
0.14Ni
0.12Cu
0.12)
99Fe
1The non-crystaline amorphous metal bar.
Non-crystaline amorphous metal bar critical diameter is of a size of 12mm.
Preparation (La
0.62Al
0.14Ni
0.12Cu
0.12)
98Fe
2The non-crystaline amorphous metal bar
Step 1: take by weighing each element
By (La
0.62Al
0.14Ni
0.12Cu
0.12)
98Fe
2Chemical Composition and atomic percent calculate required quality of each element and umber, carry out weighing.
Step 2: preparation (La
0.62Al
0.14Ni
0.12Cu
0.12)
98Fe
2Mother alloy
With step 1 claim (La
0.62Al
0.14Ni
0.12Cu
0.12)
98Fe
2Raw material is put into vacuum smelting furnace, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 50～150A, smelting temperature 1000～2000K; Furnace cooling after the melt back 3～4 times takes out and obtains (La
0.62Al
0.14Ni
0.12Cu
0.12)
98Fe
2Mother alloy.
Step 3: preparation diameter 12mm and following (La
0.12Al
0.14Ni
0.12Cu
0.12)
98Fe
2The non-crystaline amorphous metal bar
(the La that step 2 is made
0.62Al
0.14Ni
0.12Cu
0.12)
98Fe
2Mother alloy shreds, and puts into the induction furnace with quick solidification apparatus, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time was spurted in the copper mold after 2～5 minutes, and promptly obtained (La with the mould cooling
0.62Al
0.14Ni
0.12Cu
0.12)
98Fe
2The non-crystaline amorphous metal bar.
Step 4: the above (La of preparation diameter 12mm
0.62Al
0.14Ni
0.12Cu
0.12)
98Fe
2The non-crystaline amorphous metal bar
(the La that step 2 is made
0.62Al
0.14Ni
0.12Cu
0.12)
98Fe
2Mother alloy shreds, and puts into the induction furnace of toppling over high-frequency induction device, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time poured into melt in the copper mold after 2～5 minutes, and promptly obtained (La with the mould cooling
0.62Al
0.14Ni
0.12Cu
0.12)
98Fe
2The non-crystaline amorphous metal bar.
Non-crystaline amorphous metal bar critical diameter is of a size of 14mm.
Preparation (La
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3The non-crystaline amorphous metal bar
Step 1: take by weighing each element
By (La
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Chemical Composition and atomic percent calculate required quality of each element and umber, carry out weighing.
Step 2: preparation (La
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Mother alloy
With step 1 claim (La
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Raw material is put into vacuum smelting furnace, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 50～150A, smelting temperature 1000～2000K; Furnace cooling after the melt back 3～4 times takes out and obtains (La
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Mother alloy.
Step 3: preparation diameter 12mm and following (La
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3The non-crystaline amorphous metal bar
(the La that step 2 is made
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Mother alloy shreds, and puts into the induction furnace with quick solidification apparatus, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time was spurted in the copper mold after 2～5 minutes, and promptly obtained (La with the mould cooling
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3The non-crystaline amorphous metal bar.
Step 4: the above (La of preparation diameter 12mm
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3The non-crystaline amorphous metal bar
(the La that step 2 is made
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Mother alloy shreds, and puts into the induction furnace of toppling over high-frequency induction device, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time poured into melt in the copper mold after 2～5 minutes, and promptly obtained (La with the mould cooling
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3The non-crystaline amorphous metal bar.
This alloy has good amorphous formation ability, and non-crystaline amorphous metal bar critical diameter is of a size of 16mm (as Fig. 1).This alloy has lower second-order transition temperature 403K, the interval 63K (as Fig. 2) of the supercooled liquid of broad.With (the La that makes
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Non-crystaline amorphous metal bar intercepting Φ 3mm*6mm tests its compression mechanical property, its stress-strain(ed) curve in compression process as shown in Figure 5, non-crystaline amorphous metal has higher compressed rupture strength 578MPa.
Preparation (La
0.62Al
0.14Ni
0.12Cu
0.12)
96Fe
4The non-crystaline amorphous metal bar
Step 1: take by weighing each element
By (La
0.62Al
0.14Ni
0.12Cu
0.12)
96Fe
4Chemical Composition and atomic percent calculate required quality of each element and umber, carry out weighing.
Step 2: preparation (La
0.62Al
0.14Ni
0.12Cu
0.12)
96Fe
4Mother alloy
With step 1 claim (La
0.62Al
0.14Ni
0.12Cu
0.12)
96Fe
4Raw material is put into vacuum smelting furnace, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 50～150A, smelting temperature 1000～2000K; Furnace cooling after the melt back 3～4 times takes out and obtains (La
0.62Al
0.14Ni
0.12Cu
0.12)
96Fe
4Mother alloy.
Step 3: preparation diameter 12mm and following (La
0.62Al
0.14Ni
0.12Cu
0.12)
96Fe
4The non-crystaline amorphous metal bar
(the La that step 2 is made
0.62Al
0.14Ni
0.12Cu
0.12)
96Fe
4Mother alloy shreds, and puts into the induction furnace with quick solidification apparatus, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time was spurted in the copper mold after 2～5 minutes, and promptly obtained (La with the mould cooling
0.62Al
0.14Ni
0.12Cu
0.12)
96Fe
4The non-crystaline amorphous metal bar.
Step 4: the above (La of preparation diameter 12mm
0.62Al
0.14Ni
0.12Cu
0.12)
96Fe
4The non-crystaline amorphous metal bar
(the La that step 2 is made
0.62Al
0.14Ni
0.12Cu
0.12)
96Fe
4Mother alloy shreds, and puts into the induction furnace of toppling over high-frequency induction device, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time poured into melt in the copper mold after 2～5 minutes, and promptly obtained (La with the mould cooling
0.62Al
0.14Ni
0.12Cu
0.12)
96Fe
4The non-crystaline amorphous metal bar.
Non-crystaline amorphous metal bar critical diameter is of a size of 14mm.
Preparation (La
0.62Al
0.14Ni
0.12Cu
0.12)
94Fe
6The non-crystaline amorphous metal bar
Step 1: take by weighing each element
By (La
0.62Al
0.14Ni
0.12Cu
0.12)
94Fe
6Chemical Composition and atomic percent calculate required quality of each element and umber, carry out weighing.
Step 2: preparation (La
0.62Al
0.14Ni
0.12Cu
0.12)
94Fe
6Mother alloy
With step 1 claim (La
0.62Al
0.14Ni
0.12Cu
0.12)
94Fe
6Raw material is put into vacuum smelting furnace, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 50～150A, smelting temperature 1000～2000K; Furnace cooling after the melt back 3～4 times takes out and obtains (La
0.62Al
0.14Ni
0.12Cu
0.12)
94Fe
6Mother alloy.
Step 3: preparation diameter 12mm and following (La
0.62Al
0.14Ni
0.12Cu
0.12)
94Fe
6The non-crystaline amorphous metal bar
(the La that step 2 is made
0.62Al
0.14Ni
0.12Cu
0.12)
94Fe
6Mother alloy shreds, and puts into the induction furnace with quick solidification apparatus, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time was spurted in the copper mold after 2～5 minutes, and promptly obtained (La with the mould cooling
0.62Al
0.14Ni
0.12Cu
0.12)
94Fe
6The non-crystaline amorphous metal bar.
Non-crystaline amorphous metal bar critical diameter is of a size of 12mm, and second-order transition temperature is 414K, and the supercooled liquid interval is 55K (as Fig. 2).
Preparation (La
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9The non-crystaline amorphous metal bar
Step 1: take by weighing each element
By (La
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9Chemical Composition and atomic percent calculate required quality of each element and umber, carry out weighing.
Step 2: preparation (La
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9Mother alloy
With step 1 claim (La
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9Raw material is put into vacuum smelting furnace, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 50～150A, smelting temperature 1000～2000K; Furnace cooling after the melt back 3～4 times takes out and obtains (La
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9Mother alloy.
Step 3: preparation diameter 12mm and following (La
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9The non-crystaline amorphous metal bar
(the La that step 2 is made
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9Mother alloy shreds, and puts into the induction furnace with quick solidification apparatus, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time was spurted in the copper mold after 2～5 minutes, and promptly obtained (La with the mould cooling
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9The non-crystaline amorphous metal bar.
Non-crystaline amorphous metal bar critical diameter is of a size of 10mm, and second-order transition temperature is 403K, and the supercooled liquid interval is 45K (as Fig. 2).
Embodiment 7
Preparation (La
0.62Al
0.14Ni
0.12Cu
0.12)
88Fe
12The non-crystaline amorphous metal bar
Step 1: take by weighing each element
By (La
0.62Al
0.14Ni
0.12Cu
0.12)
88Fe
12Chemical Composition and atomic percent calculate required quality of each element and umber, carry out weighing.
Step 2: preparation (La
0.62Al
0.14Ni
0.12Cu
0.12)
88Fe
12Mother alloy
With step 1 claim (La
0.62Al
0.14Ni
0.12Cu
0.12)
88Fe
12Raw material is put into vacuum smelting furnace, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 50～150A, smelting temperature 1000～2000K; Furnace cooling after the melt back 3～4 times takes out and obtains (La
0.62Al
0.14Ni
0.12Cu
0.12)
88Fe
12Mother alloy.
Step 3: preparation diameter 12mm and following (La
0.62Al
0.14Ni
0.12Cu
0.12)
88Fe
12The non-crystaline amorphous metal bar
(the La that step 2 is made
0.62Al
0.14Ni
0.12Cu
0.12)
88Fe
12Mother alloy shreds, and puts into the induction furnace with quick solidification apparatus, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time was spurted in the copper mold after 2～5 minutes, and promptly obtained (La with the mould cooling
0.62Al
0.14Ni
0.12Cu
0.12)
88Fe
12The non-crystaline amorphous metal bar.
Non-crystaline amorphous metal bar critical diameter is of a size of 8mm.
Preparation (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3The non-crystaline amorphous metal bar
Step 1: take by weighing each element
By (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Chemical Composition and atomic percent calculate required quality of each element and umber, carry out weighing.
Step 2: preparation (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Mother alloy
With step 1 claim (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Raw material is put into vacuum smelting furnace, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 50～150A, smelting temperature 1000～2000K; Furnace cooling after the melt back 3～4 times takes out and obtains (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Mother alloy.
Step 3: preparation diameter 12mm and following (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3The non-crystaline amorphous metal bar
(the Gd that step 2 is made
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Mother alloy shreds, and puts into the induction furnace with quick solidification apparatus, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time was spurted in the copper mold after 2～5 minutes, and promptly obtained (Gd with the mould cooling
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3The non-crystaline amorphous metal bar.
Non-crystaline amorphous metal bar critical diameter is of a size of 2mm.Second-order transition temperature 516K, the supercooled liquid interval is 33K
(as Fig. 4).(Gd with preparation
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Non-crystaline amorphous metal carries out the magnetic test, the reflection of VSM curve
Go out the feature (as Fig. 6) of paramagnetic and soft magnetism transition.
Preparation (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
95Fe
5The non-crystaline amorphous metal bar
Step 1: take by weighing each element
By (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
95Fe
5Chemical Composition and atomic percent calculate required quality of each element and umber, carry out weighing.
Step 2: preparation (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
95Fe
5Mother alloy
With step 1 claim (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
95Fe
5Raw material is put into vacuum smelting furnace, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 50～150A, smelting temperature 1000～2000K; Furnace cooling after the melt back 3～4 times takes out and obtains (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
95Fe
5Mother alloy.
Step 3: preparation diameter 12mm and following (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
95Fe
5The non-crystaline amorphous metal bar
(the Gd that step 2 is made
0.62Al
0.14Ni
0.12Cu
0.12)
95Fe
5Mother alloy shreds, and puts into the induction furnace with quick solidification apparatus, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time was spurted in the copper mold after 2～5 minutes, and promptly obtained (Gd with the mould cooling
0.62Al
0.14Ni
0.12Cu
0.12)
95Fe
5The non-crystaline amorphous metal bar.
Non-crystaline amorphous metal bar critical diameter is of a size of 2mm.Second-order transition temperature 520K, the supercooled liquid interval is 31K (as Fig. 4).(Gd with preparation
0.62Al
0.14Ni
0.12Cu
0.12)
95Fe
5Non-crystaline amorphous metal carries out the magnetic test, and the VSM curve reflects the superparamagnetism (as Fig. 6) of high magnetic intensity.
Preparation (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
92Fe
8The non-crystaline amorphous metal bar
Step 1: take by weighing each element
By (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
92Fe
8Chemical Composition and atomic percent calculate required quality of each element and umber, carry out weighing.
Step 2: preparation (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
92Fe
8Mother alloy
With step 1 claim (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
92Fe
8Raw material is put into vacuum smelting furnace, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 50～150A, smelting temperature 1000～2000K; Furnace cooling after the melt back 3～4 times takes out and obtains (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
92Fe
8Mother alloy.
Step 3: preparation diameter 12mm and following (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
92Fe
8The non-crystaline amorphous metal bar
(the Gd that step 2 is made
0.62Al
0.14Ni
0.12Cu
0.12)
92Fe
8Mother alloy shreds, and puts into the induction furnace with quick solidification apparatus, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time was spurted in the copper mold after 2～5 minutes, and promptly obtained (Gd with the mould cooling
0.62Al
0.14Ni
0.12Cu
0.12)
92Fe
8The non-crystaline amorphous metal bar.
Non-crystaline amorphous metal bar critical diameter is of a size of 3mm.
Embodiment 11
Preparation (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9The non-crystaline amorphous metal bar
Step 1: take by weighing each element
By (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9Chemical Composition and atomic percent calculate required quality of each element and umber, carry out weighing.
Step 2: preparation (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9Mother alloy
With step 1 claim (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9Raw material is put into vacuum smelting furnace, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 50～150A, smelting temperature 1000～2000K; Furnace cooling after the melt back 3～4 times takes out and obtains (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9Mother alloy.
Step 3: preparation diameter 12mm and following (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9The non-crystaline amorphous metal bar
(the Gd that step 2 is made
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9Mother alloy shreds, and puts into the induction furnace with quick solidification apparatus, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time was spurted in the copper mold after 2～5 minutes, and promptly obtained (Gd with the mould cooling
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9The non-crystaline amorphous metal bar.
This alloy has good amorphous formation ability, and non-crystaline amorphous metal bar critical diameter is of a size of 3mm (as Fig. 3).This alloy has lower second-order transition temperature 515K, the interval 37K (as Fig. 4) of the supercooled liquid of broad.(Gd with preparation
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9Non-crystaline amorphous metal carries out the magnetic test, and the VSM curve under the normal temperature reflects the feature (as Fig. 6) of paramagnetic and soft magnetism transition; VSM curve under the low temperature (probe temperature is 5K) reflects the cryomagnetism energy (as Fig. 7) that material is good, and its saturation magnetization is near 200em/g.
Preparation (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
90Fe
10The non-crystaline amorphous metal bar
Step 1: take by weighing each element
By (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
90Fe
10Chemical Composition and atomic percent calculate required quality of each element and umber, carry out weighing.
Step 2: preparation (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
90Fe
10Mother alloy
With step 1 claim (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
90Fe
10Raw material is put into vacuum smelting furnace, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 50～150A, smelting temperature 1000～2000K; Furnace cooling after the melt back 3～4 times takes out and obtains (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
90Fe
10Mother alloy.
Step 3: preparation diameter 12mm and following (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
90Fe
10The non-crystaline amorphous metal bar
(the Gd that step 2 is made
0.62Al
0.14Ni
0.12Cu
0.12)
90Fe
10Mother alloy shreds, and puts into the induction furnace with quick solidification apparatus, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time was spurted in the copper mold after 2～5 minutes, and promptly obtained (Gd with the mould cooling
0.62Al
0.14Ni
0.12Cu
0.12)
90Fe
10The non-crystaline amorphous metal bar.
Non-crystaline amorphous metal bar critical diameter is of a size of 3mm.
Embodiment 13
Preparation (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
89Fe
11The non-crystaline amorphous metal bar
Step 1: take by weighing each element
By (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
89Fe
11Chemical Composition and atomic percent calculate required quality of each element and umber, carry out weighing.
Step 2: preparation (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
89Fe
11Mother alloy
With step 1 claim (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
89Fe
11Raw material is put into vacuum smelting furnace, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 50～150A, smelting temperature 1000～2000K; Furnace cooling after the melt back 3～4 times takes out and obtains (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
89Fe
11Mother alloy.
Step 3: preparation diameter 12mm and following (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
89Fe
11The non-crystaline amorphous metal bar
(the Gd that step 2 is made
0.62Al
0.14Ni
0.12Cu
0.12)
89Fe
11Mother alloy shreds, and puts into the induction furnace with quick solidification apparatus, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time was spurted in the copper mold after 2～5 minutes, and promptly obtained (Gd with the mould cooling
0.62Al
0.14Ni
0.12Cu
0.12)
89Fe
11The non-crystaline amorphous metal bar.
Non-crystaline amorphous metal bar critical diameter is of a size of 3mm.(Gd with preparation
0.62Al
0.14Ni
0.12Cu
0.12)
89Fe
11Non-crystaline amorphous metal carries out the magnetic test, and the VSM curve reflects typical soft magnetism, the specific magnetising moment lower (as Fig. 6).
Embodiment 14
Preparation (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
88Fe
12The non-crystaline amorphous metal bar
Step 1: take by weighing each element
By (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
88Fe
12Chemical Composition and atomic percent calculate required quality of each element and umber, carry out weighing.
Step 2: preparation (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
88Fe
12Mother alloy
With step 1 claim (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
88Fe
12Raw material is put into vacuum smelting furnace, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 50～150A, smelting temperature 1000～2000K; Furnace cooling after the melt back 3～4 times takes out and obtains (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
88Fe
12Mother alloy.
Step 3: preparation diameter 12mm and following (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
88Fe
12The non-crystaline amorphous metal bar
(the Gd that step 2 is made
0.62Al
0.14Ni
0.12Cu
0.12)
88Fe
12Mother alloy shreds, and puts into the induction furnace with quick solidification apparatus, regulates suction to 5*10
-3Pa charges into argon shield gas, and being adjusted to air pressure is 0.05MPa; Regulate electric current 2～10A, temperature sensor 700～1400K; Fusing time was spurted in the copper mold after 2～5 minutes, and promptly obtained (Gd with the mould cooling
0.62Al
0.14Ni
0.12Cu
0.12)
88Fe
12The non-crystaline amorphous metal bar.
Non-crystaline amorphous metal bar critical diameter is of a size of 3mm (as Fig. 3).Second-order transition temperature 524K, the supercooled liquid interval is 27K (as Fig. 4).(Gd with preparation
0.62Al
0.14Ni
0.12Cu
0.12)
88Fe
12Non-crystaline amorphous metal carries out the magnetic test, and the VSM curve reflects the superparamagnetism (as Fig. 6) of high magnetic intensity.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. one kind contains the Fe rare-earth-base amorphous alloy, it is characterized in that: be made of Ln, Al, Ni, Cu, Fe element, its Chemical Composition and atomic percent are (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
x, 0＜x≤12 wherein, Ln is rare-earth elements La or Gd.
2. a kind of Fe rare-earth-base amorphous alloy that contains according to claim 1 is characterized in that: the Chemical Composition of described non-crystaline amorphous metal and atomic percent are (La
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Or (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9
3. the Fe rare-earth-base amorphous alloy that contains according to claim 1 is characterized in that: at described non-crystaline amorphous metal composition (La
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
x, 0＜x≤12, Ln refers in the La scope, utilizes copper mold casting method to prepare the above block amorphous alloy bar of diameter 16mm.
4. the Fe rare-earth-base amorphous alloy that contains according to claim 1 is characterized in that: at described non-crystaline amorphous metal composition (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
x, 0＜x≤12, Ln refers in the Gd scope, utilizes copper mold casting method to prepare the above block amorphous alloy rod of diameter 3mm.
5. the Fe rare-earth-base amorphous alloy that contains according to claim 1 is characterized in that: at described non-crystaline amorphous metal composition (Ln
0.62)
100-x(Al
0.14Ni
0.12Cu
0.12)
100-xFe
x, 0＜x≤12, Ln refers in the La scope that second-order transition temperature is 403K～423K, the supercooled liquid interval width is 45K～63K.
6. the Fe rare-earth-base amorphous alloy that contains according to claim 1 is characterized in that: at described non-crystaline amorphous metal composition (Ln
0.62)
100-x(Al
0.14Ni
0.12Cu
0.12)
100-xFe
x, 0＜x≤12, Ln refers in the Gd scope that second-order transition temperature is 505K～524K, the supercooled liquid interval width is 27K～37K.
7. the Fe rare-earth-base amorphous alloy that contains according to claim 2 is characterized in that: at the described (La for preparing
0.62Al
0.14Ni
0.12Cu
0.12)
97Fe
3Non-crystaline amorphous metal has higher compressed rupture strength 578MPa.
8. the Fe rare-earth-base amorphous alloy that contains according to claim 1 is characterized in that: at described non-crystaline amorphous metal composition (Ln
0.62Al
0.14Ni
0.12Cu
0.12)
100-xFe
x, 0＜x≤12, Ln refers to that in the Gd scope, the normal temperature magnetic property of non-crystaline amorphous metal shows the transformation of paramagnetism and soft magnetism.
9. the Fe rare-earth-base amorphous alloy that contains according to claim 2 is characterized in that: at described non-crystaline amorphous metal composition (Gd
0.62Al
0.14Ni
0.12Cu
0.12)
91Fe
9The time, it is 200em/g that the cryomagnetism of non-crystaline amorphous metal can show saturation magnetization.
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