BS EN 23878-1993 硬质合金.维氏硬度试验
时间:2024-05-15 02:48:27 来源: 标准资料网 作者：标准资料网 阅读：8148
【英文标准名称】:Hardmetals-Vickershardnesstest
【原文标准名称】:硬质合金.维氏硬度试验
【标准号】:BSEN23878-1993
【标准状态】:现行
【国别】:英国
【发布日期】:1993-06-15
【实施或试行日期】:1993-06-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:维氏硬度测量;试样;验证;硬度测量;试验设备;试验条件;硬质合金;硬度试验;粉末冶金;金属;合金
【英文主题词】:Carbides;Hardmetals;Hardness;Hardnessmeasurement;Hardnesstesting;Materials;Mechanicaltesting;Metals;Physicalproperties;Powdermetallurgy;Samples;Testequipment;Testing;Tests;Vickers;Vickershardness;Vickershardnessmeasurement
【摘要】:ThisInternationalStandardspecifiesthemethodofVickershardnesstestforhardmetals.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10;77_160
【页数】:16P.;A4
【正文语种】:英语
【英文标准名称】:Automaticsprinklersforfire-protectionservice
【原文标准名称】:防火用自动喷头
【标准号】:UL199-1997
【标准状态】:作废
【国别】:美国
【发布日期】:1997-04-08
【实施或试行日期】:
【发布单位】:美国保险商实验所(UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;定义;自动控制系统;防火安全;喷头;消防;喷水;消防喷水器;消防设备;自动;喷水设备;防火
【英文主题词】:automatic;fireprotection;firefighting;automaticcontrolsystems;firesafety;firefightingequipment;sprinkler;sprinkling;sprinklingdevices;firesprinklers;definitions;definition
【摘要】:
【中国标准分类号】:C84
【国际标准分类号】:13_220_20
【页数】:100P;A4
【正文语种】:英语
Product Code:SAE AMS2628
Title:Ultrasonic Immersion Inspection Titanium and Titanium Alloy Billet Premium Grade
Issuing Committee:Ams K Non Destructive Methods And Processes Committee
Scope: This specification covers procedures for ultrasonic immersion inspection of premium grade wrought titanium and titanium alloy round billet 5.0 inches (127 mm) and over in nominal diameter.This inspection procedure has been used typically for locating internal defects such as cracks, voids, inclusions, and other structural discontinuities which may or may not be exposed to the surface in billets, but usage is not limited to such applications. Testing normally will be by longitudinal procedure, but shear wave procedure may be added when agreed upon by purchaser and vendor. This specification includes zoned inspection and digital data acquisition.
Rationale: This specification covers procedures for ultrasonic immersion inspection of premium grade wrought titanium and titanium alloy round billet 5.0 inches (127 mm) and over in nominal diameter.This inspection procedure has been used typically for locating internal defects such as cracks, voids, inclusions, and other structural discontinuities which may or may not be exposed to the surface in billets, but usage is not limited to such applications. Testing normally will be by longitudinal procedure, but shear wave procedure may be added when agreed upon by purchaser and vendor. This specification includes zoned inspection and digital data acquisition.