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BV D420 Steel Phaj

Cov Khoom Piav Qhia Kev Ntsuas Qhov Ntsuas Qhov Ntsuas Qhov Ntsuas Qhov Ntsuas Qhov Ntsuas Qhov Ntsuas: Cov khoom siv saum npoo yog pom ncaj qha nrog lub tshuab ntsuas qhov muag, thiab cov ntsiab lus morphological ntawm cov kab nrib pleb tuaj yeem pom meej. Los ntawm kev soj ntsuam tib txoj haujlwm tsis tu ncua thiab sib piv cov kev hloov pauv hauv ...

Hauj lwm lawm
Khoom Description

 

Optical Measurement Methods

 

Optical Microscope Observation

Txoj Cai: Cov khoom siv saum npoo yog pom ncaj qha nrog lub tshuab ntsuas qhov muag, thiab cov ntsiab lus morphological ntawm cov kab nrib pleb tuaj yeem pom meej. Los ntawm kev soj ntsuam tib txoj haujlwm tsis tu ncua thiab sib piv cov kev hloov pauv ntawm qhov loj ntawm cov kab nrib pleb xws li qhov ntev thiab qhov dav, qhov tawg tuaj yeem raug saib xyuas. Qhov loj ntawm lub tshuab ntsuas qhov muag feem ntau nyob ntawm ntau zaus mus rau 2000 zaug, thiab qhov kev nthuav dav uas tsim nyog tuaj yeem xaiv raws li qhov loj ntawm cov kab nrib pleb yuav tsum tau pom.

Daim ntawv thov Scenario: Nws yog feem ntau siv nyob rau hauv kev soj ntsuam kev tshawb fawb ntawm micro - tawg propagation ntawm cov ntaub ntawv. Piv txwv li, nyob rau hauv cov ntaub ntawv tshawb fawb tshawb fawb, qhov tawg propagation nyob rau hauv lub microstructure ntawm hlau los yog ceramic cov ntaub ntawv yog soj ntsuam kev sib raug zoo ntawm tawg propagation thiab cov khoom microstructure.

Kev Sib Txuas Duab Digital (DIC) Txoj Kev

Txoj Cai: Ib tug random speckle qauv yog ua rau ntawm cov khoom nto. Los ntawm kev noj cov duab ntawm cov khoom nto thaum lub sij hawm thauj khoom thiab siv cov duab digital - kev siv thev naus laus zis los tshuaj xyuas qhov kev hloov pauv ntawm cov qauv speckle, tag nrho - teb strain faib rau ntawm cov khoom nto tuaj yeem tau txais. Raws li lub hauv paus ntsiab lus hais tias kev nthuav tawm tawg yuav ua rau muaj kev sib txawv, qhov kev hloov pauv ntawm qhov tawg tuaj yeem raug saib xyuas los ntawm DIC thev naus laus zis, thiab tom qab ntawd qhov kev nthuav tawm tawg tuaj yeem soj ntsuam.

Daim ntawv thov Scenario: Nws yog dav siv nyob rau hauv cov cuab yeej cuab tam sim ntawm cov qauv sib xyaw. Piv txwv li, hauv kev sim qaug zog ntawm cov cua - turbine blades (feem ntau yog ua los ntawm cov ntaub ntawv sib xyaw), DIC txoj kev yog siv los saib xyuas cov kev hloov pauv thaum lub sij hawm tawg tawm ntawm cov hniav.

 

 

Cov qauv hlau: ABS, LR, DNV, BV, GL, CCS, KR, NK, RINA

Daim ntawv thov tseem ceeb: Shipbuilding steel daim hlau feem ntau yog siv los pab txhawb nqa lub nkoj thiab cov cranes ntawm kev tawg bulker thiab cov hlab ntsha hauv dej hiav txwv kub.

Rolling range: Thickness * Dav * Ntev 3-450mm * 1220-4200mm * 5000-18000mm

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Lwm Txoj Kev

 

Acoustic Emission Detection (AE)

Txoj Cai: Elastic nthwv dej, uas yog, acoustic emission signals, yuav raug tso tawm thaum lub sijhawm tsim thiab nthuav tawm cov kab nrib pleb hauv cov ntaub ntawv. Los ntawm kev txhim kho acoustic emission sensors rau ntawm cov khoom nto kom tau txais cov teeb liab no thiab txheeb xyuas cov yam ntxwv ntawm cov teeb liab (xws li amplitude, zaus, lub zog, thiab lwm yam), qhov chaw uas cov kab nrib pleb tsim tawm thiab qhov kev nthuav tawm tuaj yeem txiav txim siab. Qhov ntau zaus ntawm acoustic emission signals yog qhov dav, txij li kaum tawm ntawm kHz mus rau ob peb MHz.

Daim ntawv thov Scenario: Nws yog siv los saib xyuas qhov tawg ntawm cov txheej txheem loj (xws li cov choj, cov nkoj loj loj, thiab lwm yam) thaum lub sijhawm ua haujlwm. Piv txwv li, nyob rau hauv tus choj kev saib xyuas kev noj qab haus huv system, acoustic emission sensors tau tiag tiag - lub sij hawm ntes cov teeb liab xa tawm los ntawm tawg propagation nyob rau hauv tus choj qauv thiab muab lub hauv paus rau kev kho raws sij hawm.

Finite Element Simulation Analysis

Txoj Cai: Raws li cov cuab yeej cuab tam ntawm cov khoom siv, cov duab geometric ntawm cov qauv, thiab cov xwm txheej ntawm ciam teb, tus lej ntawm cov qauv yog tsim los siv finite - element software. Cracks yog preset nyob rau hauv tus qauv, thiab los ntawm simulating lub loading txheej txheem, tsis xws li cov kev nyuaj siab - siv zog thiab strain - lub zog tso tawm tus nqi ntawm lub tawg ntsis yog xam los kwv yees cov kev taw qhia thiab tus nqi ntawm tawg propagation.

Daim ntawv thov Scenario: Nyob rau hauv lub engineering tsim theem, tawg - propagation tsom xam yog nqa tawm rau complex qauv (xws li tsheb sib tsoo cov yam ntxwv qhov chaw, aircraft tsaws iav, thiab lwm yam) kom optimize tus tsim thiab txhim kho kev ruaj ntseg thiab kev ntseeg siab ntawm cov qauv.

 

 

 

BV D420 Steel Phaj

 

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