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彎曲測試試驗介紹

發(fā)布時間：2024-11-14 訪問量：27 來源：小編

 

Bend Test 彎曲測試


彎曲試驗使測試材料在中點變形，導(dǎo)致凹面或彎曲的形成而不發(fā)生斷裂，通常用于確定該材料的延展性或抗斷裂性。彎曲試驗不是對材料進(jìn)行加載直至失效，而是將樣品變形為一個特定的形狀。
一般來說，彎曲試驗是在金屬或金屬材料上進(jìn)行的，但也可以適用于任何可以經(jīng)歷塑性變形的物質(zhì)，如聚合物和塑料。這些材料可以有任何可行的形狀，但當(dāng)用于彎曲試驗時，最常見的是片狀、條狀、棒狀、殼狀和管狀。彎曲測試機通常用于具有可接受的高延展性的材料。

 

常見的彎曲測試分類

 

•    硅片材料的等軸彎曲測試
•    三點彎曲夾具的木制品彎曲測試
•    電子產(chǎn)品的柔性彎曲測試
•    金屬焊縫的引導(dǎo)性彎曲測試
•    金屬延展性彎曲測試
•    焊縫延展性彎曲測試
•    使用導(dǎo)引彎曲和拉伸夾具的焊接強度測試|設(shè)備
•    木質(zhì)產(chǎn)品靜態(tài)彎曲測試 | ASTM D1037
•    木材靜態(tài)彎曲測試 | ASTM D143
 

常見的彎曲性能測試標(biāo)準(zhǔn)


•    ASTM A370 Test Method and Definitions for Mechanical Testing of Steel Products
•    ASTM C1018 Flexural Toughness and First-Crack Strength of Fiber-Reinforced Concrete
•    ASTM C1161 Flexural Strength of Advanced Ceramics at Ambient Temperature
•    ASTM C1499 Monotonic Equibiaxial Flexural Strength of Advanced Ceramics at Ambient Temperature
•    ASTM C158 Test Methods for Strength of Glass by Flexure
•    ASTM C393 Test Method for Core Shear Properties of Sandwich Constructions by Beam Flexure
•    ASTM C580 Test Method for Flexural Strength and Modulus of Elasticity of ChemicalResistant Mortars, Grouts, Monolithic Surfacings, and Polymer Concretes
•    ASTM C947 Test Method for Flexural Properties of Thin-Section Glass-Fiber-Reinforced Concrete
•    ASTM D143 Test Methods for Small Clear Specimens of Timber
•    ASTM D2344 Short-Beam Strength of Polymer Matrix Composite Materials and Their Laminates
•    ASTM D6272 Test Method for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials by Four-Point Bending
•    ASTM D7249 Test Method for Facing Properties of Sandwich Constructions by Long Beam Flexure
•    ASTM D747 Apparent Bending Modulus of Plastics by Means of a Cantilever Beam
•    ASTM D7774 Test Method for Flexural Fatigue Properties of Plastics
•    ASTM D790 Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials
•    ASTM F394 Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare
•    ISO 6872 Dentistry – Ceramic materials (Incorporates Amendment A1: 2018)
•    ISO 7438 Metallic materials – Bend test
•    IPC JEDEC 9702 Monotonic Bend Testing Interconnects – Board Level
 

： 彎曲測試

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