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Can composite panels be used in vacuum vessels?

2020-09-22View Original

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I would like to ask the experts: For example, there is a container with a design pressure of -0.1 MPa and a diameter of Φ5000 mm. The container is made of titanium-steel composite sheet (3+18), using the B1 level explosion welding method. My questions are: 1. Can the B1 level explosion welding method truly achieve a 100% bond rate? 2. Can B1-grade composite plates be used in vacuum vessels, and will the vacuum cause the titanium coating to peel off from the steel substrate?
Reply #22020-09-22
What’s wrong with that? Explosive bonding is not a lining; to put it exaggeratively, even if it gets deflated, it won’t come apart.
Reply #32020-09-22
It should work at low temperatures
Reply #42020-09-22
Can explosive bonding achieve a 100% bond rate?
Reply #52020-09-22
Level 1 should be 100% combined
Reply #62020-09-22
It can be used in vacuum containers with no problem at all. Moreover, for level B1, a 100% fit is required; there’s no room for doubt on this – otherwise it’s not qualified, and in that case it can at most be classified as B2 or B3.
Reply #72020-09-22
There should be no problem! The bond strength index is in control!
Reply #82020-09-22
Thank you. The standard requires that the shear strength of the joint surface be >140 MPa. What is the vertical tensile strength value of the joint surface?
Reply #92020-09-22
Thank you. The standards specify the shear strength of the joint surface; I was wondering what the minimum vertical tensile strength is?

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