CN104711453A - Shape memory alloy material and preparation method - Google Patents
Shape memory alloy material and preparation method Download PDFInfo
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- CN104711453A CN104711453A CN201510097037.5A CN201510097037A CN104711453A CN 104711453 A CN104711453 A CN 104711453A CN 201510097037 A CN201510097037 A CN 201510097037A CN 104711453 A CN104711453 A CN 104711453A
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Abstract
The invention relates to a shape memory alloy material and a preparation method thereof. The shape memory alloy material comprises the following materials in percent by weight: 0.5 to 1.1 percent of Sn, 1.5 to 4.5 percent of Ni, 0.4 to 1.0 percent of Cr, 0.3 to 0.8 percent of W, 0.8 to 1.9 percent of Nb, 2.2 to 4.5 percent of Mn, and the balance of Ti; the preparation method of the shape memory alloy material comprises the following steps: (1), taking the materials in percent by weight; (2), putting all memory alloy material components in the step (1) into a vacuum electric arc furnace, carrying out vacuum-pumping on the electric arc furnace, after vacuum-pumping, rising the temperature of the vacuum electric arc furnace to heat and smelt, smelting to be a memory alloy ingot, cooling to a room temperature, and obtaining the shape memory alloy material.
Description
Technical field
The invention belongs to field of alloy material, relate to a kind of alloy material and preparation method thereof, particularly relate to a kind of shape memory alloy material and preparation method thereof.
Background technology
The mechanical properties of shape memory alloy is excellent, and the deformation that can recover can up to 10%, and common metal material only has less than 0.1%, almost exceeds ordinary metallic material recoverable strain two orders of magnitude, can be used to the impelling strength improving material.Certain shape made at relatively high temperatures by shape memory alloy, at low temperatures random variation, the shape after heating before recoverable deformation.
Shape-memory material is the important branch of intelligent material one.Shape-memory material self has excellent performance, such as shape memory effect, pseudoelasticity or high reply deformation, good shock resistance and adaptability.Shape memory effect refers to by the additional stimulation such as heat, chemistry, machinery, light, magnetic or electricity, trigger material response, thus the technical parameter of material may be changed, such as shape, position, strain, hardness, frequency, antidetonation, friction etc. are dynamically or static nature.Up to the present, the material with shape memory effect has memorial alloy, pottery, superpolymer, gel.Because shape-memory material easily makes film, fiber or the form such as line, particle, be easily combined with other materials and form matrix material, its development more and more comes into one's own.
Summary of the invention
The technical problem solved: the object of the invention is openly a kind of novel shape memory alloy material and preparation method thereof, disclosed shape memory alloy material can be used in the fields such as medicine equipment, improves its shape-memory properties.
Technical scheme: the invention discloses a kind of shape memory alloy material and preparation method thereof, described shape memory alloy material comprises following composition by weight percentage:
Sn 0.5wt%-1.1wt%、
Ni 1.5wt%-4.5wt%、
Cr 0.4wt%-1.0wt%、
W 0.3wt%-0.8wt%、
Nb 0.8wt%-1.9wt%、
Mn 2.2wt%-4.5wt%、
Surplus is Ti.
Further, described a kind of shape memory alloy material, comprises following composition by weight percentage:
Sn 0.7wt%-1.0wt%、
Ni 2.2wt%-3.8wt%、
Cr 0.5wt%-0.8wt%、
W 0.4wt%-0.7wt%、
Nb 1.1wt%-1.7wt%、
Mn 2.9wt%-4.1wt%、
Surplus is Ti.
Further, described a kind of shape memory alloy material, comprises following composition by weight percentage:
Sn 0.9wt%、
Ni 3.1wt%、
Cr 0.7wt%、
W 0.6wt%、
Nb 1.4wt%、
Mn 3.5wt%、
Surplus is Ti.
A preparation method for shape memory alloy material, the preparation method of described shape memory alloy material comprises the following steps:
(1) to get Sn by weight percentage be respectively 0.5wt%-1.1wt%, Ni be 1.5wt%-4.5wt%, Cr be 0.4wt%-1.0wt%, W be 0.3wt%-0.8wt%, Nb be 0.8wt%-1.9wt%, Mn is 2.2wt%-4.5wt%, surplus is Ti;
(2) the various memory alloy material compositions of step (1) are all dropped in vacuum arc fumace, electric arc furnace is vacuumized, vacuumize rear Raise vacuum electric arc furnace temperature and carry out adding hot smelting, temperature is first increased to 630-660 DEG C, keeps temperature-resistant 2h; Be increased to 1210-1290 DEG C again and keep temperature-resistant 3h; Melting becomes memorial alloy ingot, is cooled to room temperature, prepares shape memory alloy material.
The preparation method of described a kind of shape memory alloy material, is first increased to 640 DEG C by temperature during melting in step (2).
The preparation method of described a kind of shape memory alloy material, is increased to 1250 DEG C during melting in step (2) again.
Beneficial effect: shape memory alloy material of the present invention has good shape-memory properties and excellent mechanical strength, applied widely, can be used as a kind of desirable shape memory alloy material in medical treatment and other related industrieies.
Embodiment
Embodiment 1
(1) to get Sn by weight percentage be respectively 1.1wt%, Ni be 4.5wt%, Cr be 1.0wt%, W be 0.3wt%, Nb be 1.9wt%, Mn is 4.5wt%, surplus is Ti;
(2) the various memory alloy material compositions of step (1) are all dropped in vacuum arc fumace, electric arc furnace is vacuumized, vacuumize rear Raise vacuum electric arc furnace temperature and carry out adding hot smelting, temperature is first increased to 660 DEG C, keeps temperature-resistant 2h; Be increased to 1210 DEG C again and keep temperature-resistant 3h; Melting becomes memorial alloy ingot, is cooled to room temperature, prepares shape memory alloy material.
Embodiment 2
(1) to get Sn by weight percentage be respectively 0.5wt%, Ni be 1.5wt%, Cr be 0.4wt%, W be 0.8wt%, Nb be 0.8wt%, Mn is 2.2wt%, surplus is Ti;
(2) the various memory alloy material compositions of step (1) are all dropped in vacuum arc fumace, electric arc furnace is vacuumized, vacuumize rear Raise vacuum electric arc furnace temperature and carry out adding hot smelting, temperature is first increased to 630 DEG C, keeps temperature-resistant 2h; Be increased to 1290 DEG C again and keep temperature-resistant 3h; Melting becomes memorial alloy ingot, is cooled to room temperature, prepares shape memory alloy material.
Embodiment 3
(1) to get Sn by weight percentage be respectively 1.0wt%, Ni be 2.2wt%, Cr be 0.5wt%, W be 0.7wt%, Nb be 1.1wt%, Mn is 4.1wt%, surplus is Ti;
(2) the various memory alloy material compositions of step (1) are all dropped in vacuum arc fumace, electric arc furnace is vacuumized, vacuumize rear Raise vacuum electric arc furnace temperature and carry out adding hot smelting, temperature is first increased to 660 DEG C, keeps temperature-resistant 2h; Be increased to 1210 DEG C again and keep temperature-resistant 3h; Melting becomes memorial alloy ingot, is cooled to room temperature, prepares shape memory alloy material.
Embodiment 4
(1) to get Sn by weight percentage be respectively 0.7wt%, Ni be 3.8wt%, Cr be 0.8wt%, W be 0.4wt%, Nb be 1.7wt%, Mn is 2.9wt%, surplus is Ti;
(2) the various memory alloy material compositions of step (1) are all dropped in vacuum arc fumace, electric arc furnace is vacuumized, vacuumize rear Raise vacuum electric arc furnace temperature and carry out adding hot smelting, temperature is first increased to 630 DEG C, keeps temperature-resistant 2h; Be increased to 1290 DEG C again and keep temperature-resistant 3h; Melting becomes memorial alloy ingot, is cooled to room temperature, prepares shape memory alloy material.
Embodiment 5
(1) to get Sn by weight percentage be respectively 0.9wt%, Ni be 3.1wt%, Cr be 0.7wt%, W be 0.6wt%, Nb be 1.4wt%, Mn is 3.5wt%, surplus is Ti;
(2) the various memory alloy material compositions of step (1) are all dropped in vacuum arc fumace, electric arc furnace is vacuumized, vacuumize rear Raise vacuum electric arc furnace temperature and carry out adding hot smelting, temperature is first increased to 640 DEG C, keeps temperature-resistant 2h; Be increased to 1250 DEG C again and keep temperature-resistant 3h; Melting becomes memorial alloy ingot, is cooled to room temperature, prepares shape memory alloy material.
Claims (6)
1. a shape memory alloy material, is characterized in that, described shape memory alloy material comprises following composition by weight percentage:
Sn 0.5wt%-1.1wt%、
Ni 1.5wt%-4.5wt%、
Cr 0.4wt%-1.0wt%、
W 0.3wt%-0.8wt%、
Nb 0.8wt%-1.9wt%、
Mn 2.2wt%-4.5wt%、
Surplus is Ti.
2. a kind of shape memory alloy material according to claim 1, is characterized in that, described shape memory alloy material comprises following composition by weight percentage:
Sn 0.7wt%-1.0wt%、
Ni 2.2wt%-3.8wt%、
Cr 0.5wt%-0.8wt%、
W 0.4wt%-0.7wt%、
Nb 1.1wt%-1.7wt%、
Mn 2.9wt%-4.1wt%、
Surplus is Ti.
3. a kind of shape memory alloy material according to claim 1, is characterized in that, described shape memory alloy material comprises following composition by weight percentage:
Sn 0.9wt%、
Ni 3.1wt%、
Cr 0.7wt%、
W 0.6wt%、
Nb 1.4wt%、
Mn 3.5wt%、
Surplus is Ti.
4. a preparation method for shape memory alloy material, is characterized in that, the preparation method of described shape memory alloy material comprises the following steps:
(1) to get Sn by weight percentage be respectively 0.5wt%-1.1wt%, Ni be 1.5wt%-4.5wt%, Cr be 0.4wt%-1.0wt%, W be 0.3wt%-0.8wt%, Nb be 0.8wt%-1.9wt%, Mn is 2.2wt%-4.5wt%, surplus is Ti;
(2) the various memory alloy material compositions of step (1) are all dropped in vacuum arc fumace, electric arc furnace is vacuumized, vacuumize rear Raise vacuum electric arc furnace temperature and carry out adding hot smelting, temperature is first increased to 630-660 DEG C, keeps temperature-resistant 2h; Be increased to 1210-1290 DEG C again and keep temperature-resistant 3h; Melting becomes memorial alloy ingot, is cooled to room temperature, prepares shape memory alloy material.
5. the preparation method of a kind of shape memory alloy material according to claim 4, is characterized in that, during melting, temperature is first increased to 640 DEG C in preparation method in step (2).
6. the preparation method of a kind of shape memory alloy material according to claim 4, is characterized in that, is increased to 1250 DEG C again in preparation method in step (2) during melting.
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| CN201510097037.5A CN104711453A (en) | 2015-03-05 | 2015-03-05 | Shape memory alloy material and preparation method |
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| CN201510097037.5A CN104711453A (en) | 2015-03-05 | 2015-03-05 | Shape memory alloy material and preparation method |
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| CN201510097037.5A Pending CN104711453A (en) | 2015-03-05 | 2015-03-05 | Shape memory alloy material and preparation method |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6237353A (en) * | 1986-06-13 | 1987-02-18 | Hitachi Metals Ltd | Manufacture of shape memory alloy |
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2015
- 2015-03-05 CN CN201510097037.5A patent/CN104711453A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6237353A (en) * | 1986-06-13 | 1987-02-18 | Hitachi Metals Ltd | Manufacture of shape memory alloy |
Non-Patent Citations (4)
| Title |
|---|
| 孙齐磊等: "《工程材料及其热处理 第2版》", 31 August 2014, 机械工业出版社 * |
| 宿辉: "《材料化学》", 31 August 2012, 北京大学出版社 * |
| 李长青等: "《功能材料》", 30 June 2014, 哈尔滨工业大学出版社 * |
| 赵莉萍: "《金属材料学》", 31 October 2012, 北京大学出版社 * |
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Application publication date: 20150617 |
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