Hot isostatic pressing device and production process of densified product

文档序号:1634979 发布日期:2020-01-17 浏览:37次 中文

阅读说明:本技术 一种热等静压装置及致密化产品生产工艺 (Hot isostatic pressing device and production process of densified product ) 是由 陈宏霞 张德明 李阳 叶青 于 2019-10-30 设计创作,主要内容包括:本发明公开了一种热等静压装置及致密化产品生产工艺,属于材料热等静压装置及工艺技术领域,解决了现有技术中对物料重复加热、工艺流程时间长、成本高的问题。本发明的热等静压装置包括脱脂系统、承压容器和加热单元;承压容器用于放置待烧结物料(1),脱脂系统用于对(1)烧结物料进行脱脂,加热单元设置在承压容器内,用于对待烧结物料进行加热;脱脂系统包括粘结剂收集器(11)和机械泵组(12);粘结剂收集器(11)与机械泵组(12)通过管路连接;粘结剂收集器(11)与承压容器连接。本发明装置及方法用于制备致密化产品及缩短工艺流程。(The invention discloses a hot isostatic pressing device and a production process of a densified product, belongs to the technical field of material hot isostatic pressing devices and processes, and solves the problems of repeated heating of materials, long process flow time and high cost in the prior art. The hot isostatic pressing device comprises a degreasing system, a pressure-bearing container and a heating unit; the pressure-bearing container is used for placing a material (1) to be sintered, the degreasing system is used for degreasing the material (1) to be sintered, and the heating unit is arranged in the pressure-bearing container and used for heating the material to be sintered; the degreasing system comprises a binder collector (11) and a mechanical pump set (12); the binder collector (11) is connected with the mechanical pump set (12) through a pipeline; the adhesive collector (11) is connected to the pressure-bearing container. The device and the method are used for preparing densified products and shortening the process flow.)

1. A hot isostatic pressing device is characterized by comprising a degreasing system, a pressure-bearing container and a heating unit; the pressure-bearing container is used for placing a material (1) to be sintered, the degreasing system is used for degreasing the sintering material (1), and the heating unit is arranged in the pressure-bearing container and used for heating the material to be sintered;

the degreasing system comprises a binder collector (11) and a mechanical pump set (12); the binder collector (11) is connected with a mechanical pump set (12) through a pipeline; the binder collector (11) is connected with the pressure-bearing container.

2. The hot isostatic pressing arrangement according to claim 1, wherein the pressure-containing vessel comprises a barrel (6), a lower plug (7) and an upper plug (8), the barrel (6) being cylindrical in shape with open ends, the barrel (6) being sealed at both ends with the upper plug (8) and the lower plug (7), respectively.

3. The hot isostatic pressing arrangement according to claim 1, wherein the heating unit comprises an electric lead electrode (9) and a heat generating body (4), the electric lead electrode (9) being connected to an external power supply, the heat generating body (4) being adapted to generate heat.

4. The hot isostatic pressing device according to claim 3, further comprising a heat insulation device, wherein the heat insulation device comprises a heat insulation base (3) and a heat shield (5), and the heat insulation base (3) and the heat shield (5) enclose the heating body (4) and the material (1) to be sintered and prevent heat from diffusing.

5. The hot isostatic pressing arrangement according to claim 1, wherein the binder collector (11) comprises a first collector arrangement (13) and a second collector arrangement (14), the second collector arrangement (14) being a next-stage treatment unit of the first collector arrangement (13).

6. The hot isostatic pressing arrangement according to any one of claims 1-5, further comprising a boat (2) for holding the material (1) to be sintered.

7. A process for the production of a densified product, characterized in that a hot isostatic pressing device according to claims 1-6 is used, comprising the steps of:

s1, preparing a material (1) to be sintered;

s2, placing the material (1) to be sintered in the material boat (2), placing the material boat on the heat insulation base (3), and closing the upper plug (8);

s3, degreasing the material (1) to be sintered;

s4, sintering the material (1) to be sintered;

s5, carrying out hot isostatic pressing treatment on the sintered material;

and S6, cooling and releasing the pressure to obtain the hot isostatic pressing densified product.

8. The process for producing a densified product according to claim 7, wherein the step S3 is: vacuumizing and washing the furnace, introducing a small amount of carrier gas, opening a degreasing system, heating, and degreasing for 2-5h at the temperature of 300-.

9. The process for producing a densified product according to claim 7, wherein the step S4 is: and closing the carrier gas and the degreasing system, keeping the pressure-bearing container in vacuum, then heating to the sintering temperature of 500-1300 ℃, and preserving the heat for 1-2 h.

10. Process for the production of a densified product according to any one of claims 7 to 9, wherein step S5 is: filling high-pressure gas into the pressure-bearing container, and keeping the pressure-bearing container for 1-2h under the conditions of 100-200MPa and 450-1200 ℃.

12页详细技术资料下载
上一篇:一种医用注射器针头装配设备
下一篇:一种制备功能梯度高温合金涡轮盘的方法

网友询问留言

已有0条留言

还没有人留言评论。精彩留言会获得点赞!

精彩留言,会给你点赞!