CN203287253U - Device for material high-temperature compression creep experiment - Google Patents

Device for material high-temperature compression creep experiment Download PDF

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Publication number
CN203287253U
CN203287253U CN201320349985XU CN201320349985U CN203287253U CN 203287253 U CN203287253 U CN 203287253U CN 201320349985X U CN201320349985X U CN 201320349985XU CN 201320349985 U CN201320349985 U CN 201320349985U CN 203287253 U CN203287253 U CN 203287253U
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China
Prior art keywords
shaped base
experiment
creep
arms
compression creep
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CN201320349985XU
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Chinese (zh)
Inventor
肖红星
梁波
龙冲生
陈乐�
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Nuclear Power Institute of China
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Nuclear Power Institute of China
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Abstract

The utility model discloses a device for a material high-temperature compression creep experiment. The device comprises two U-shaped bases, and each U-shaped base comprises two side arms and a cross arm connected to the two side arms. The distance between the two side arms of each U-shaped base is larger than the width of the cross arm of each U-shaped base. Openings of the two U-shaped bases are opposite, the two cross arms are perpendicular to each other, and gaskets are arranged on opposite faces of the two cross arms. According to the device, a stretching method is used for carrying out the compression creep experiment of metal alloy materials under the condition of 25-800 DEG C, a sample clamp on a lasting-stretching creep experiment machine is directly replaced, all experiment parameters are identical with the parameters of a stretching experiment, compression creep experiments under various temperatures can be directly carried out, changing is little, and implementation is easy.

Description

A kind of device for material at high temperature compression creep experiment
Technical field
The utility model relates to the device of material properties test, specifically a kind of device for material at high temperature compression creep experiment.
Background technology
So-called high-temerature creep refers to higher than 0.5 T m ( T m For fusing point) temperature and stress far below yield strength under, material produces the phenomenon of plastic yield lentamente with the prolongation of load time, difference due to the stress application mode, can be divided into high temperature compressed creep, drawing by high temperature creep, hot bending creep and high temperature and reverse creep, strain trend and rupture life when high-temerature creep can indicate more effectively that than elevated temperature strength material at high temperature uses for a long time, be one of important mechanical property of material, it is relevant with material and the architectural feature of material.
High temperature creep property is an important indicator of evaluating material mechanical property, on the domestic creep test of drawing by high temperature at material, existing ripe experimental technique has also been formulated corresponding national standard, drawing by high temperature creep test equipment is also deposited out not poor at present on market, but material does not have unified experimental technique on high temperature compressed creep test, there is no corresponding national standard or industry standard, simultaneously there are no special high temperature compressed creep test equipment yet yet.
The utility model content
The purpose of this utility model is to provide and is applied to a kind of device for material at high temperature compression creep experiment, solve the problem that does not have at present equipment can be used for material at high temperature compression creep experiment, reach existing Experiment of extruding creep plant modification is become the purpose of for the material at high temperature compression creep, testing.
The purpose of this utility model is achieved through the following technical solutions:
A kind of device for material at high temperature compression creep experiment, comprise two U-shaped bases, U-shaped base comprises two side arms and the transverse arm that is connected to two sidewalls, distance between two side arms of U-shaped base is greater than the width of U-shaped base transverse arm, opposite and two transverse arms of the opening of two U-shaped bases are in mutual plumbness, at two relative faces of transverse arm, are provided with pad.the rectangular parallelepiped bending that U-shaped base employing xsect of the present utility model is rectangle forms, comprise two side arms that are parallel to each other, one end of two sidewalls forms opening and the other end connects by transverse arm, transverse arm and side arm are in plumbness, be provided with pad on transverse arm, the transverse arm middle part of pad between two sidewalls, the axis of two sidewalls forms a plane, during use, the opening of two U-shaped bases round about, and the plane of two sidewall formations is mutually vertical, two pads are relative, tested sample is placed between two pads, two U-shaped bases are connected on the Experiment of extruding creep machine and just can carry out compression creep, for fear of the friction force between U-shaped base, compression creep is impacted, distance between two side arms of U-shaped base can be increased, make the width of transverse arm less than the distance between two side arms, in order to adapt to the sample of different size, can increase the length of side arm, the utility model is directly installed on existing tensile test machine just can realize the test of compression creep, one-piece construction is simple, method of testing is identical with existing Experiment of extruding creep method, standardization is good, adaptability is good.
Two side arm ends at described U-shaped base are equipped with cap, and cap is bolted on U-shaped base.Further, in order to keep the shape of U-shaped base, avoid two sidewall ends to be subject to external force and deformation, can connect cap at two side arm ends, make two sidewalls relatively stable, simultaneously, can be used as the transition piece that is connected with the tensile test machine, the power that acts on two side arms is become the power that acts on cap, the application point that is conducive to confining force is constant.
Also be provided with connecting stud on U-shaped base, described connecting stud and pad lay respectively at the both sides of U-shaped base transverse arm.Further, as further improvement of the utility model, for U-shaped base is connected with the tensile creep machine more easily, can on U-shaped base, connecting stud be installed, so, as long as connecting stud is connected with the screw of tensile creep machine, can realize connecting, and be convenient to dismounting, easy to use.
Described U-shaped base, cap and bolt are made by resistant to elevated temperatures high-strength stainless steel material, and described pad is made by wimet.Thereby adopt wimet can guarantee the deformation of creep can not occur because of the reacting force of sample affect final creep measurement result carrying out the zone that contacts with sample on the U-shaped base of compression creep test process as pad.
The utility model compared with prior art, has following advantage and beneficial effect:
a kind of device for material at high temperature compression creep experiment of 1 the utility model, two pads are relative, tested sample is placed between two pads, two U-shaped bases are connected on the Experiment of extruding creep machine and just can carry out compression creep, for fear of the friction force between U-shaped base, compression creep is impacted, distance between two side arms of U-shaped base can be increased, make the width of transverse arm less than the distance between two side arms, in order to adapt to the sample of different size, can increase the length of side arm, the utility model is directly installed on existing tensile test machine just can realize the test of compression creep, one-piece construction is simple, method of testing is identical with existing Experiment of extruding creep method, standardization is good, adaptability is good,
A kind of device for material at high temperature compression creep experiment of 2 the utility model, connect cap at two side arm ends, make two sidewalls relatively stable, simultaneously, can be used as the transition piece that is connected with the tensile test machine, the power that acts on two side arms is become the power that acts on cap, the application point that is conducive to confining force is constant;
A kind of device for material at high temperature compression creep experiment of 3 the utility model, install connecting stud on U-shaped base, so, can realize connecting as long as connecting stud is connected with the screw of tensile creep machine, and be convenient to dismounting, and is easy to use;
A kind of device for material at high temperature compression creep experiment of 4 the utility model, adopt the method that stretches to carry out the compression creep experiment of metal alloy compositions under the condition of 25~800 ℃; Directly replace the sample clamp on lasting tensile test machine, all experiment parameters are identical with the stretching experiment parameter, directly carry out the compression creep experiment at various temperature, transform littlely, are easy to realization.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one.
Mark and corresponding parts title in accompanying drawing:
1-U-shaped base, 2-pad, 3-cap, 4-bolt, 5-connecting stud, 6-sample.
Embodiment
The utility model is described in further detail below in conjunction with embodiment, but embodiment of the present utility model is not limited to this.
Embodiment
as shown in Figure 1, a kind of device for material at high temperature compression creep experiment of the utility model, comprise two U-shaped bases 1, the rectangular parallelepiped bending that U-shaped base 1 employing xsect is rectangle forms, comprise two side arms that are parallel to each other, one end of two sidewalls forms opening and the other end connects by transverse arm, transverse arm and side arm are in plumbness, be provided with pad 2 on transverse arm, pad 2 is made by wimet, the transverse arm middle part of pad 2 between two sidewalls, the axis of two sidewalls forms a plane, the opening of two U-shaped bases 1 round about, and the plane of two sidewall formations is mutually vertical, two pads 2 are relative, with sample 6 be placed on two the pad 2 between, two U-shaped bases 1 are connected on the Experiment of extruding creep machine and just can carry out compression creep, for fear of the friction force between U-shaped base 1, compression creep is impacted, distance between 1 two side arms of U-shaped base can be increased, make the width of transverse arm less than the distance between two side arms, in order to adapt to the sample of different size, can increase the length of side arm, two side arm ends at U-shaped base 1 are equipped with cap 3, cap 3 is fixed on U-shaped base 1 by bolt 4, on U-shaped base 1, connecting stud 5 also is installed, connecting stud 5 and pad 2 lay respectively at the both sides of transverse arm.
Manufacturing procedure is as follows: at first, adopt the high temperature resistance and high strength stainless steel material process U-shaped base 1 on the compression creep experimental provision, and U-shaped base 1 cap 3, U-shaped base 1 and the cap 3 that are complementary between the bolt 4 of strong bonded, then, adopt Hardmetal materials to process the pad 2 that is complementary with U-shaped base 1.
Be placed between two pads 2 after in experimentation, sample 6 being processed, the stretching clamping device of directly replacing on lasting tensile test machine will be installed, namely adopt the method that stretches to carry out compression experiment, adopt Experiment of extruding creep to control software and carry out setting parameter, all parameters arrange identical with the Experiment of extruding creep method.
The above; it is only preferred embodiment of the present utility model; not the utility model is done any pro forma restriction, any simple modification, the equivalent variations on every foundation technical spirit of the present utility model, above embodiment done, within all falling into protection domain of the present utility model.

Claims (4)

1. one kind is used for the device that the material at high temperature compression creep is tested, it is characterized in that: comprise two U-shaped bases (1), U-shaped base (1) comprises two side arms and the transverse arm that is connected to two sidewalls, distance between (1) two side arm of U-shaped base is greater than the width of U-shaped base (1) transverse arm, opposite and two transverse arms of the opening of two U-shaped bases (1) are in mutual plumbness, at two relative faces of transverse arm, are provided with pad (2).
2. a kind of device for material at high temperature compression creep experiment according to claim 1, it is characterized in that: two side arm ends at described U-shaped base (1) are equipped with cap (3), and cap (3) is fixed on U-shaped base (1) by bolt (4).
3. a kind of device for material at high temperature compression creep experiment according to claim 2, it is characterized in that: also be provided with connecting stud (5) on U-shaped base (1), described connecting stud (5) and pad (2) lay respectively at the both sides of U-shaped base (1) transverse arm.
4. according to claim 2 or 3 described a kind of devices for material at high temperature compression creep experiment, it is characterized in that: described U-shaped base (1), cap (3) and bolt (4) are made by resistant to elevated temperatures high-strength stainless steel material, and described pad (2) is made by wimet.
CN201320349985XU 2013-06-19 2013-06-19 Device for material high-temperature compression creep experiment Active CN203287253U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104634657A (en) * 2015-01-29 2015-05-20 南京理工大学 Compression fixture on mechanical tensile creep tester
CN105223072A (en) * 2015-09-21 2016-01-06 河南科技大学 The high temperature compressed stretching integral jig of a kind of cupping machine
CN106525567A (en) * 2016-12-26 2017-03-22 大连理工大学 Rock time-dependent deformation testing system under combined effect of continuous water environment and variable temperature
CN110823682A (en) * 2019-11-01 2020-02-21 湘潭大学 Clamp for ultrahigh-temperature creep test

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104634657A (en) * 2015-01-29 2015-05-20 南京理工大学 Compression fixture on mechanical tensile creep tester
CN105223072A (en) * 2015-09-21 2016-01-06 河南科技大学 The high temperature compressed stretching integral jig of a kind of cupping machine
CN105223072B (en) * 2015-09-21 2018-05-29 河南科技大学 A kind of high temperature compressed stretching integral fixture of cupping machine
CN106525567A (en) * 2016-12-26 2017-03-22 大连理工大学 Rock time-dependent deformation testing system under combined effect of continuous water environment and variable temperature
CN106525567B (en) * 2016-12-26 2020-04-10 大连理工大学 Rock aging deformation test system under combined action of continuous water environment and variable temperature
CN110823682A (en) * 2019-11-01 2020-02-21 湘潭大学 Clamp for ultrahigh-temperature creep test

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