环球法软化点(ring and ball softening point),是指钢球贯穿试样接触金属板时的温度。
خبير الاتصال2012年8月23日 — The ring and ball method which briefly consists of determin- ing the temperature at which a disk of the material held in a ring and loaded with. a ball will flow
خبير الاتصال1.1 This test method covers the determination of the softening point of bitumen in the range from 30 to 157 °C [86 to 315 °F] using the ring-and-ball apparatus immersed in distilled
خبير الاتصال2024年6月14日 — Softening Point Ring and Ball is the second oldest test method applied to bitumen, after needle penetration. It is the temperature at which a bitumen sample in a
خبير الاتصالRing and ball test is used to determine the softening point of bitumen, asphalt and coal tar. This test consists of two brass ring and two steel ball, using which the softening point of various bituminous materials are
خبير الاتصال2016年9月29日 — Softening Point of Bitumen (Ring-and-Ball Apparatus)1. This standard is issued under the fixed designation D 36; the number immediately following the
خبير الاتصال2006年12月1日 — Standard Test Method for Softening Point of Bitumen (Ring-and-Ball Apparatus) 来自 掌桥科研. 喜欢 0. 阅读量: 16. 标准号: ASTM D36-06. 摘要:
خبير الاتصال2024年5月15日 — This test method covers the determination of the softening point of bitumen in the range from 30 to 157°C (86 to 315°F) using the ring and ball apparatus immersed in distilled water (30 to 80°C), USP
خبير الاتصالSoftening Point Ring and Ball Apparatus determine the softening point of asphalt, coal tar pitch and other viscoelastic bitumens in the range of 30°–157°C (86°–315°F). The unit simultaneously tests two samples for
خبير الاتصال2023年9月12日 — Ring-and-Ball vs. Cup Assessment of Soften Softening point (SP) is an imp( in many industries. The two sl from bitumen to greases, wax( ball method. The
خبير الاتصال3 天之前 — Hold the ball over the flame for a few seconds, rotating it, and then pass the ball through the ring; Place the ball over the flame again for a few seconds, rotating it. You will see than now the ball can’t go through the ring; Place the ball inside the beaker with water and now try to pass the ball through the ring. You will see that now the ...
خبير الاتصالThe Automatic Ring and Ball Tester allows fully automatic performance of softening point determination of binders conforming to most common international Standards. Two binder specimens, cast in shouldered brass
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خبير الاتصالB072 Ring and Ball Softening Point Apparatus ( Bitumen ) EN 1427; ASTM D36; AASHTO T53; NF T66-008; BS 2000; UNI 4161; DIN 52011; UNE 7111; The softness of bitumen depends, amongst other factors, on the substance temperature, the more the temperature increases, the more increases the softness of the bitumen. ...
خبير الاتصال4 天之前 — Digital, Auto Ring and Ball Apparatus Supports the following standards: ASTM D36, AASHTO T53, EN 1427, BIS 2000, DIN 52011, UNE 7111 Read More. Read Less. Purchase Options Part Number Name. Price. QTY. H-1567 Digital, Auto Ring and Ball Apparatus, 120V 60Hz ...
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خبير الاتصالBall on ring. The ball-on-ring (BoR) test method is a crucial technique widely employed for characterizing the biaxial strength and axially symmetric bending of brittle materials such as ceramics, glass, and semiconductor wafers. Diverse applications.
خبير الاتصالThe ring and ball apparatus consisting of: Steel balls-two numbers each of 9.5 mm diameter weighing 3.5 ± 0.05 g. Brass rings-two numbers each having depth of 6.4 mm. The inside diameter at bottom and top is 15.9mm and 17.5 mm respectively. Ball guides to guide the movement of steel balls centrally.
خبير الاتصالStandards. EN 1427; ASTM D36; AASHTO T53 UTEST UTB-0240 Automatic Ring and Ball/Softening Point Tester is an innovative microprocessor controlled automatic testing device which is used for determining the softening point of bituminous materials using water or glycerol as bath liquid in a range from 30°C to 150°C.
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خبير الاتصالThe Ring and Ball Apparatus is a precision testing instrument specifically designed for determining the softening point of bituminous materials, such as asphalt and pitch. This apparatus operates on the principle of heating a substance along with two horizontal rings until the material softens and flows down at a specific temperature ...
خبير الاتصالTwo laser sensors detect the balls fall determining the softening point. The bath temperature is measured by an electronic system maintaining the gradient (5 °C/min) as specified by the Standards. A magnetic stirrer with electronic speed adjustment from 0 to 160 rpm also ensures a uniform temperature in the vessel during the test execution.
خبير الاتصالThe Ring and Ball Apparatus is a helpful tool for demonstrating thermal expansion. It consists of a brass ball connected to a brass ring with a chain, mounted on a rod with a wooden handle. When the ball is cold, it can easily pass through the ring. However, when heated, its diameter of 19mm makes it too large to fit through the ring.
خبير الاتصال大量翻译例句关于"ring and ball" – 英中词典以及8百万条中文译文例句搜索。 吸引大批市民參與的活動,通常會在寬敞的場㆞,如遊憩 用㆞ 或球場舉行;至於表演項目及電影 或錄影帶欣賞會,則通常會在 內備有適用設施 的社區會堂舉行。
خبير الاتصالRing and Ball Test Set (Softening Point Apparatus), Analog Model: B1790/D: Ring and Ball Test Set (Softening Point Apparatus), Digital Model: G300/05: Analog Magnetic Stirrer with Heater: G300/06: Digital Magnetic Stirrer with Heater: B1790/01: Steel Balls, 9.5 mm dia: B1790/02: Frame (Thermometer and ring holder, ball centering guide and ...
خبير الاتصالSoftening Point Ring and Ball Apparatus determine the softening point of asphalt, coal tar pitch and other viscoelastic bitumens in the range of 30°–157°C (86°–315°F). The unit simultaneously tests two samples for optimal compliance with standard test procedures. Steel balls are placed on top of bitumen specimen disks in test rings in a bath.
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