CN108384943B - A kind of Temperature-Stress coupled aging processing unit and its application method - Google Patents
A kind of Temperature-Stress coupled aging processing unit and its application method Download PDFInfo
- Publication number
- CN108384943B CN108384943B CN201810062760.3A CN201810062760A CN108384943B CN 108384943 B CN108384943 B CN 108384943B CN 201810062760 A CN201810062760 A CN 201810062760A CN 108384943 B CN108384943 B CN 108384943B
- Authority
- CN
- China
- Prior art keywords
- stress
- temperature
- screw rod
- fixed plate
- rod fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of Temperature-Stress coupled aging processing unit and its application method, which includes basic frame structure, stress hitch structure, stress loading control structure and temperature load control structure；Basic frame structure includes pedestal, lower plate, support plate and column, and the lower end of column is threadedly coupled with lower plate, and upper end is slidably connected with support plate, and big nut is threaded on column；Stress hitch structure includes lower screw rod fixed plate, upper screw rod fixed plate and screw rod, and the upper end of screw rod is threadedly coupled with upper screw rod fixed plate, and lower end is slidably connected with lower screw rod fixed plate, and screw rod lower thread is connected with primary nut；Stress loading control is for carrying out permanent tensile stress load to tensile sample；Temperature loads control structure and is used to carry out heated at constant temperature to tensile sample.The present invention can carry out timeliness experiment to the material for needing to carry out Temperature-Stress coupled aging, and can height to temperature, stress the influence factors such as size be adjusted.
Description
Technical field
The present invention relates to a kind of material ages processing method more particularly to a kind of Temperature-Stress coupled aging processing units
And its application method.
Background technique
Artificial aging and stress ageging are both a kind of material treatment processes and a kind of investigation of materials method, they can be right
The microstructure and mechanical property of material generate very important influence.On the one hand, the material based on the non-ferrous metals such as aluminium alloy
Material and part, can undergo this procedure of ageing treatment, the disperse second being precipitated in material matrix during machine-shaping
Phase can effectively improve the performance indicators such as intensity and the hardness of material；On the other hand, certain parts under service condition can simultaneously by
To the effect of temperature and stress, such as high-speed precise machine tool bearing etc., it will usually simulate its operating condition with stress ageging experiment
Condition, to study temperature and stress to its matrix microstructure, the influence of accuracy life.
Stress ageging needs while meeting temperature and stress coupling load due to having introduced external force field, experiment condition, however
There is presently no the experimental facilities dedicated for stress ageging.Common temperature control insulating box is only capable of providing temperature field, can carry out people
Working hour effect, is but difficult to for stress loading device being put into and wherein carries out stress ageging；Electronic universal tester with insulating box can be with
Temperature-Stress load is carried out simultaneously, but it is generally only used for tensile test at high temperature, prolonged stress ageging experiment can damage examination
Test machine；And most meet the high-temerature creep testing machine of stress ageging condition, it is chiefly used in the creep performance test of material, is rarely used in material
The ageing treatment of material is tested, and the apparatus value is expensive, takes up a large area, experimental cost height.
Therefore, for the stress ageging research of material, lacking suitable stress ageging device is current problem encountered,
If a kind of simply and easily stress ageging device can be designed, meets Temperature-Stress coupling loading environment, apply to answering for material
In power aging research, there is realistic meaning very much.
Summary of the invention
The purpose of the present invention is to provide a kind of Temperature-Stress coupled aging processing unit and its application method, it can be with
Control is adjusted in the influence factors such as the size of height, stress to temperature during timeliness, meets the temperature-under different condition
The experiment of stress coupling timeliness, carrys out tissue change of research material during stress ageging with this.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of Temperature-Stress coupled aging processing unit, including basic frame structure, stress hitch structure, stress loading
Control structure and temperature load control structure；Wherein,
The basic frame structure includes pedestal, the lower plate being mounted on the base and is set to the lower plate
The support plate of top is connected between the support plate and lower plate by multiple columns, the lower end of the column and lower plate spiral shell
Line connection, upper end and the support plate of the column are slidably connected, and the threaded upper ends of the column, which are connected with, is used to support the branch
The big nut of fagging；
The stress hitch structure includes being set to lower screw rod fixed plate below the support plate, being set to the support
Multiple screw rods of upper screw rod fixed plate above plate and the connection upper and lower screw rod fixed plate, the upper end of the screw rod with it is upper
Screw rod fixed plate is threadedly coupled, and the lower end of the screw rod passes through support plate and is slidably connected with lower screw rod fixed plate, the screw rod
Lower thread is connected with the primary nut for being used to support the lower screw rod fixed plate；
The stress loading control structure is mounted between support plate and upper screw rod fixed plate, by jacking up upper spiral shell upwards
The permanent tensile stress that bar fixed plate carries out different numerical value to the tensile sample being mounted between lower plate and lower screw rod fixed plate loads
And real-time display tensile stress data；
Temperature load control structure be used for the tensile sample being mounted between lower plate and lower screw rod fixed plate into
The heated at constant temperature and real-time display temperature data of the different numerical value of row.
According to the above technical scheme, the stress loading control structure includes being mounted between support plate and upper screw rod fixed plate
Jack, the pressure sensor that is mounted on the jack and for showing that the pressure of pressure sensor numerical value is shown
Device.
According to the above technical scheme, temperature load control structure includes the tensile sample periphery is arranged in small-sized low
Warm resistance furnace and temperature display controller for controlling and showing heating temperature.
According to the above technical scheme, the shape of the small-sized low-temperature resistance furnace is cylindrical shape.
According to the above technical scheme, guide sleeve is provided between the support plate and screw rod.
A kind of application method of Temperature-Stress coupled aging processing unit, comprising the following steps:
S1, upper screw rod fixed plate is jacked up by a trip by stress loading control structure in advance, by the stretching of dumbbell shape
Sample is placed in test block, and the upper end of tensile sample is fixedly connected with lower screw rod fixed plate, and lower end is fixedly connected with lower plate；
S2, it adjusts stress loading control structure and jacks up screw rod fixed plate upwards and make tensile sample by action of pulling stress,
Until the stress level for reaching setting keeps permanent tensile stress load, opening temperature load control structure sets tensile sample
The heated at constant temperature of temperature and soaking time, after Temperature-Stress coupled aging is tested, closing temperature loads control structure, unloads
Stress loading control structure is carried, after being cooled to room temperature, takes out tensile sample.
The beneficial effect comprise that: the present invention passes through setting basic frame structure and stress hitch structure, first is that
15 tons of load below can be transmitted, big stress loading is realized to tensile sample, second is that vertically there is good guide effect, it can be really
It protects pulling force suffered by tensile sample to be completely on axis, third is that basic frame structure and stress hitch structure use size respectively
Two sets of nuts are fixed and position, and can freely adjust the height of basic frame structure and stress hitch structure, each to be suitable for
The tensile sample of kind different length；In addition, control structure is loaded by setting stress loading control structure and temperature, it can be simultaneously
Meet the experiment condition of Temperature-Stress coupling load, and can height to temperature, stress the factors such as size be adjusted
Control.
The present invention, which can carry out, carries out timeliness experiment for the material for needing to carry out Temperature-Stress coupled aging, makes material
Artificial aging is carried out under action of pulling stress, to non-ferrous metals such as aluminium alloys, can be promoted Second Phase Precipitation, be improved the object of material
Reason and chemical property；To high-speed precision bearing material etc., this method of stress ageging can use to simulate simple military service item
Part promotes or inhibits the transformation of certain metastable organizations.Relative to the equipment prices such as creep testing machine valuableness, take up a large area, real
It tests the disadvantages of at high cost, structure of the invention has the advantages that simple and convenient, manufacture difficulty is small, experimental cost is low, has critically important
Realistic meaning.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
In figure: 1- pedestal, 2- lower plate, 3- column, 4- big nut, 5- support plate, 6- guide sleeve, 7- jack, 8- temperature
Display controller, 9- pressure display unit, the upper screw rod fixed plate of 10-, 11- pressure sensor, 12- screw rod, screw rod is fixed under 13-
Plate, 14- primary nut, the small-sized low-temperature resistance furnace of 15-, 16- tensile sample.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
As shown in Figure 1, a kind of Temperature-Stress coupled aging processing unit, including basic frame structure, stress traction knot
Structure, stress loading control structure and temperature load control structure；Wherein,
Basic frame structure includes pedestal 1, the lower plate being mounted on pedestal 12 and the branch for being set to 2 top of lower plate
Fagging 5 (is divided between support plate 5 and lower plate 2 by the connection of multiple columns 3 specially between the both ends of support plate and lower plate
Tong Guo the connection of column), the lower end of column 3 is threadedly coupled with lower plate 2, and the upper end of column 3 and support plate 5 slide company
It connects, the threaded upper ends of column 3 are connected with the big nut 4 for being used to support support plate 5, pass through different installations of the big nut on column
The different height of support plate may be implemented in height, and then adapts to the tensile sample of not high length, and all big nuts need to be leveled with true
It is horizontal positioned to protect support plate；
Stress hitch structure includes the lower screw rod fixed plate 13 for being set to 5 lower section of support plate, is set to 5 top of support plate
Multiple screw rod 12(of upper screw rod fixed plate 10 and the upper and lower screw rod fixed plate of connection are specially upper screw rod fixed plate and lower screw rod
Pass through a screw rod connection between the both ends of fixed plate respectively), the upper end of screw rod 12 is threadedly coupled with upper screw rod fixed plate 10, spiral shell
The lower end of bar 12 passes through support plate 5 and is slidably connected with lower screw rod fixed plate 13, and the lower thread of screw rod 12, which is connected with, to be used to support
Lower screw rod fixed plate may be implemented by different mounting heights of the primary nut on screw rod in the primary nut 14 of lower screw rod fixed plate 13
Different height, and then adapt to the tensile sample of not high length, all primary nuts need to be leveled to ensure that lower screw rod fixed plate is horizontal
It places；
Stress loading control structure is mounted between support plate 5 and upper screw rod fixed plate 10, by jacking up upper spiral shell upwards
Bar fixed plate carries out the permanent tensile stress of different numerical value to the tensile sample 16 being mounted between lower plate 2 and lower screw rod fixed plate 13
Load simultaneously real-time display tensile stress data；
Temperature load control structure is used to carry out the tensile sample 16 being mounted between lower plate and lower screw rod fixed plate
The heated at constant temperature and real-time display temperature data of different numerical value.
In a preferred embodiment of the invention, as shown in Figure 1, stress loading control structure include be mounted on support plate 5 with
Be hydraulic jack in jack 7(the present embodiment between upper screw rod fixed plate 10), the pressure sensing that is mounted on jack 7
Device 11 and pressure display unit 9 for showing pressure sensor numerical value.
In a preferred embodiment of the invention, as shown in Figure 1, temperature load control structure includes being arranged outside tensile sample
All small-sized low-temperature resistance furnaces 15 and the temperature display controller 8 for controlling and showing heating temperature.
In a preferred embodiment of the invention, as shown in Figure 1, the shape of small-sized low-temperature resistance furnace is cylindrical shape, Ke Yibao
Demonstrate,prove the uniformity in temperature field.
In a preferred embodiment of the invention, as shown in Figure 1, being provided with guide sleeve 6 between support plate and screw rod.
A kind of application method of Temperature-Stress coupled aging processing unit, as shown in Figure 1, comprising the following steps:
S1, upper screw rod fixed plate is jacked up by a trip by stress loading control structure in advance, by the lath of dumbbell shape
Tensile sample is placed in test block, and the upper end of tensile sample is fixedly connected with lower screw rod fixed plate, and lower end is fixed with lower plate
Connection, specifically, the both ends of tensile sample are fixedly connected by pin with lower screw rod fixed plate and lower plate；
S2, it adjusts stress loading control structure and jacks up screw rod fixed plate upwards and make tensile sample by action of pulling stress,
The registration variation of pressure display unit is observed, until the stress level for reaching setting keeps permanent tensile stress load, set temperature is shown
The relevant parameter of controller, opening temperature load the constant temperature that control structure carries out set temperature and soaking time to tensile sample and add
Heat, after Temperature-Stress coupled aging is tested, closing temperature loads control structure, stress loading control structure is unloaded, to cold
But to after room temperature, tensile sample is taken out.
In stress loading control structure of the invention, the load of tensile stress is realized by jack, it drives upper screw rod
Fixed plate and then lower screw rod fixed plate is driven up to move, to realize to being installed between lower screw rod fixed plate and lower plate
The tensile stress of tensile sample loads, and due to jack self-lock mechanism, the stress intensity in experimentation can be kept constant, realizes
The dead load of different stress controls.The pressure sensor for being installed on jack upper end is responsible for the acquisition of real-time stress data, and passes through
Pressure display unit display output.
It is adjustable by the relevant parameter of set temperature display controller 8 in temperature load control structure of the invention
The heating rate and holding temperature of small-sized low-temperature resistance furnace, realize the thermostatic control of different temperatures.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (5)
1. a kind of Temperature-Stress coupled aging processing unit, which is characterized in that including basic frame structure, stress hitch structure,
Stress loading control structure and temperature load control structure；Wherein,
The basic frame structure includes pedestal, the lower plate being mounted on the base and is set to above the lower plate
Support plate, connected between the support plate and lower plate by multiple columns, the lower end of the column and lower plate screw thread connect
It connects, upper end and the support plate of the column are slidably connected, and the threaded upper ends of the column, which are connected with, is used to support the support plate
Big nut；
The stress hitch structure includes being set to lower screw rod fixed plate below the support plate, being set in the support plate
The upper screw rod fixed plate of side and multiple screw rods of the connection upper and lower screw rod fixed plate, the upper end of the screw rod and upper screw rod
Fixed plate is threadedly coupled, and the lower end of the screw rod passes through support plate and is slidably connected with lower screw rod fixed plate, the lower end of the screw rod
It is threaded with the primary nut for being used to support the lower screw rod fixed plate；
The stress loading control structure is mounted between support plate and upper screw rod fixed plate, solid by jacking up upper screw rod upwards
Fixed board to the tensile sample being mounted between lower plate and lower screw rod fixed plate carry out different numerical value permanent tensile stress load and it is real
When show that tensile stress data, the stress loading control structure include thousand be mounted between support plate and upper screw rod fixed plate
Jin top, the pressure sensor being mounted on the jack and the pressure display unit for showing pressure sensor numerical value；
The temperature load control structure is used to carry out not the tensile sample being mounted between lower plate and lower screw rod fixed plate
With the heated at constant temperature and real-time display temperature data of numerical value.
2. Temperature-Stress coupled aging processing unit according to claim 1, which is characterized in that the temperature load control
Structure processed includes the small-sized low-temperature resistance furnace of the tensile sample periphery being arranged in and for controlling and showing heating temperature
Temperature display controller.
3. Temperature-Stress coupled aging processing unit according to claim 2, which is characterized in that the small-sized low temperature electric
The shape for hindering furnace is cylindrical shape.
4. Temperature-Stress coupled aging processing unit according to claim 1, which is characterized in that the support plate and spiral shell
Guide sleeve is provided between bar.
5. a kind of application method of Temperature-Stress coupled aging processing unit of any of claims 1-4, feature
It is, comprising the following steps:
S1, upper screw rod fixed plate is jacked up by a trip by stress loading control structure in advance, by the tensile sample of dumbbell shape
It is placed in test block, the upper end of tensile sample is fixedly connected with lower screw rod fixed plate, and lower end is fixedly connected with lower plate；
S2, it adjusts stress loading control structure and jacks up screw rod fixed plate upwards and make tensile sample by action of pulling stress, up to
The stress level for reaching setting keeps permanent tensile stress load, and opening temperature loads control structure and carries out set temperature to tensile sample
With the heated at constant temperature of soaking time, after Temperature-Stress coupled aging is tested, closing temperature loads control structure, and unloading is answered
Power loads control structure, after being cooled to room temperature, takes out tensile sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810062760.3A CN108384943B (en) | 2018-01-23 | 2018-01-23 | A kind of Temperature-Stress coupled aging processing unit and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810062760.3A CN108384943B (en) | 2018-01-23 | 2018-01-23 | A kind of Temperature-Stress coupled aging processing unit and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108384943A CN108384943A (en) | 2018-08-10 |
| CN108384943B true CN108384943B (en) | 2019-03-15 |
Family
ID=63076342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810062760.3A Active CN108384943B (en) | 2018-01-23 | 2018-01-23 | A kind of Temperature-Stress coupled aging processing unit and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108384943B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155357A (en) * | 2021-03-11 | 2021-07-23 | 中国长江电力股份有限公司 | Ultrasonic measurement calibration experiment table and method for axial tensile stress of large bolt |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988146B (en) * | 2009-07-31 | 2012-09-05 | 中国商用飞机有限责任公司 | Creep age forming method of integral wing panel |
| CN201817522U (en) * | 2010-09-03 | 2011-05-04 | 中南大学 | Stress-electric field-temperature multi-external-field comprehensive aging heat treatment device |
| JP5786370B2 (en) * | 2011-03-02 | 2015-09-30 | Ｊｆｅスチール株式会社 | Protective structure of the blast furnace mouth |
| CN102650578B (en) * | 2012-04-24 | 2014-02-05 | 北京航空航天大学 | Testing method for normal temperature and high temperature stress relaxation of flat spring |
| CN103409610B (en) * | 2013-07-10 | 2015-12-02 | 攀钢集团西昌钢钒有限公司 | For connecting Wetted constructures device and the Wetted constructures method of moving back unit |
| CN104694730B (en) * | 2015-02-27 | 2017-02-01 | 武汉理工大学 | Bearing matrix aging treatment method and device capable of implementing temperature-force coupled loading |
| CN105385834A (en) * | 2015-12-03 | 2016-03-09 | 倪前悦 | Method for aging treatment of steam compressor shell under simulated working condition |
-
2018
- 2018-01-23 CN CN201810062760.3A patent/CN108384943B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108384943A (en) | 2018-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106371043B (en) | Superconducting tape test device | |
| CN108562499B (en) | Loading equipment suitable for high-low temperature cycle test box and CT scanner | |
| CN101187612A (en) | Small drill drift creepage test device | |
| CN108384943B (en) | A kind of Temperature-Stress coupled aging processing unit and its application method | |
| CN105651598A (en) | High-speed strain testing apparatus and high-speed strain testing method based on line scan camera | |
| CN103776702A (en) | Low-cycle fatigue testing device and method under corrosion and high-temperature environments | |
| CN106324294A (en) | Insulating rod voltage-withstanding test frame | |
| CN101581629B (en) | Self-locking test device of automobile cable pulley type glass lifter | |
| CN103940679B (en) | A kind of 3 overhanging bending creep parameter measuring apparatus and method of work thereof | |
| CN210427257U (en) | System for testing thermal cycle function fatigue performance of shape memory alloy | |
| CN114608938A (en) | Variable-temperature fatigue test device | |
| CN204807403U (en) | Steel pipe concrete member draws and presses tired real -time supervision device under high temperature | |
| CN105092388A (en) | Winding torsion testing machine of cable monofilament at low temperature | |
| CN110726913B (en) | Semiconductor device testing device | |
| CN202583001U (en) | Automatic-imaging steel stranded wire tension testing machine | |
| CN205642337U (en) | Thickness tester | |
| CN110658082A (en) | System and method for testing r value of high-temperature tensile anisotropy of metal plate | |
| CN101598648B (en) | Double space material cold-heat simulation experiment device | |
| CN106378526B (en) | A kind of experimental provision can be used for high heating rate Diffusion Welding | |
| Umezaki | Improvement in separation of SMA from matrix in SMA embedded smart structures | |
| CN205786721U (en) | A kind of insulating bar pressure test frame | |
| CN208795479U (en) | A kind of intensity detecting device of train components | |
| CN2852122Y (en) | Apparatus for measuring metal specific heat capacity by cooling method | |
| CN2388611Y (en) | High-temp. microscope heating stand | |
| CN113514341A (en) | Metal material creep-fatigue test method under high-temperature liquid sodium environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |