# US 11,307,126 B2 · Experimental device for cavitation corrosion of liquid metal

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- Number: US 11,307,126 B2
- Document ID: US11307126B2
- Status: Granted
- Kind: B2
- Application number: 16/741,945
- Filed: 2020-01-14
- Published: 2021-02-04
- Granted: 2022-04-19
- Earliest claimed: 2020-01-14
- Assignees: Xi'an Jiaotong University; Jiangsu Feilu Heavy Industry Machinery Manufacturing; Beijing University of Technology
- Applicants: Xi'an Jiaotong University; Jiangsu Feilu Heavy Industry Machinery Manufacturing Co., Ltd.; Beijing University of Technology
- Inventors: Shengqiang Ma; Jiaqi Wang; Ping Lv; Zongliang Zhang; Jiandong Xing; Hanguang Fu; Yimin Gao
- Web page: https://patentgrep.com/patent/US11307126B2

## CPC

- G01N 3/567: {by submitting the specimen to the action of a fluid or of a fluidised material, e.g. cavitation, jet abrasion (G01N3/565 takes precedence)}
- G01N 17/006: {of metals}
- G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q)

## Abstract

The present invention discloses an experimental device for cavitation corrosion of liquid metal, comprising a stand, and a vibration device and a lifting and rotating device separately arranged on the stand, wherein a heating device for experimental use is arranged on the vibration device; a furnace lid with a sealing ring is arranged above the heating device; a stirring mechanism is arranged on the furnace lid; the stirring mechanism is connected to a chunk below the furnace lid; a clamp is connected below the chuck, and the clamp is connected to a sample; the furnace lid is connected to the lifting and rotating device; the lifting and rotating device can control the movement of the furnace lid so that the sample is placed in the heating device; the lifting and rotating device, the stirring mechanism, the heating device and the vibration device are connected to a control system.

## Claims

### Claim 1

An experimental device for cavitation corrosion of liquid metal, comprising
a stand (1), and
a vibration device and a lifting and rotating device separately arranged on the stand (1), wherein a heating device for experimental use is arranged on the vibration device;
the heating device comprises a heating furnace (5) arranged on the vibration device, and a silicon nitride crucible used for receiving a sample (6) is arranged inside the heating furnace (5); a furnace lid (8) with a sealing ring is arranged above the heating device; a stirring mechanism is arranged on the furnace lid (8); the stirring mechanism is connected to a chuck below the furnace lid (8); a clamp (19) is connected below the chuck, and the clamp (19) is connected to the sample (6); the furnace lid (8) is connected to the lifting and rotating device; the lifting and rotating device; controls the furnace lid (8) to rotate in a plane where the furnace lid is located;
the lifting and rotating device, the stirring mechanism, the heating device and the vibration device are connected to a control system, respectively; and, a corrosion experiment is carried out by adjusting a temperature of the heating device;
the lifting and rotating device comprises the guide pillar (9), one end of which is connected to the stand (1) through a guide pillar stand (10) while the other end of which is connected to the furnace lid (8) through a guide sleeve (12); a speed reducer holder (14) is arranged an extended end of the guide pillar (9); a speed reducer (6) is arranged on the speed reducer holder (14); and, the speed reducer (16) is connected to one end of a lead screw (11), and the other end of the lead screw (11) runs through a nut (13) on the furnace lid (8); the furnace lid (8) is controlled to lift up or down through the lead screw (11) and the nut (13);
the stirring mechanism comprises a stirring motor (22) and a sample rack (7); the stirring motor (22) is connected to one end of a stirring shaft through a coupler (20); the other end of the stirring shaft runs through the furnace lid (8) to be connected to the sample rack (7); and, the sample (6) is arranged on the sample rack (7) through the clamp (19); and
the vibration device comprises a vibration platform (4); the vibration platform (4) is arranged on the stand (1); a vibrator (2) is arranged below the vibration platform (4); and, the heating furnace (5) of the heating device is arranged on the vibration platform (4).

### Claim 2 (depends on 1)

The experimental device according to claim 1, wherein the crucible is of a cylindrical cavity structure; and, a lower end of the cavity is closed, and a sealed end cover with a central circular hole is provided at an upper end thereof.

### Claim 3 (depends on 1)

The experimental device according to claim 1, wherein an infrared temperature detector (18) connected to the control system is arranged on the furnace lid (8).

### Claim 4 (depends on 1)

The experimental device according to claim 1, wherein the speed reducer (16) is connected to the control system, and the speed reducer (16) is connected with a hand wheel (15).

### Claim 5 (depends on 1)

The experimental device according to claim 1, wherein a motor holder (21) is arranged on an upper side of the furnace lid (8); the stirring motor (22) is arranged on the motor holder (21); the sample rack (7) is arranged on a lower side of the furnace lid (8); and, three slots are formed at clamping positions of the sample rack (7).

### Claim 6 (depends on 1)

The experimental device according to claim 1, wherein an air damper (3) is arranged between the vibration platform (4) and the stand (1).