搜索结果: 271-285 共查到“材料检测与分杂技技术”相关记录406条 . 查询时间(1.166 秒)
本发明涉及一种对卤代烃类化合物进行识别与检测的方法。本发明以真空紫外光作为离子迁移谱的电离源，采用正、负离子切换的模式，正离子模式利用光电离的原理，负离子模式利用光电反射的原理。将这种方法用于卤代烃类化合物的检测，能够拓宽离子迁移谱测量的化合物种类，极大地提高离子迁移谱对样品的快速识别与解析能力，同时提高离子迁移谱在负离子模式下对那些电离能低于紫外光电离能的化合物的灵敏度。
The microstructure and mechanical properties of the alloy CuZn30 after recrystallision annealing
microstructure mechanical properties alloy CuZn30 recrystallision annealing
2010/5/12
Besides bronze, the alloys of copper with zinc and brass are the first alloys accompanying the development of mankind. Nowadays, they are widely applied in technology, and next to light metals they be...
Fracture analysis of selected magnesium alloys after different testing methods
Mechanical properties Magnesium alloys Tensile and torsion tests
2010/2/9
Purpose: of this paper is to extend a complex evaluation of magnesium alloys which requires very often knowledge mechanical properties. These properties are connected with microstructure that is influ...
2010年模具检测学术交流会
2010年 模具检测 交流会
2010/1/27
中国模具工业协会在“第十三届中国国际模具技术和设备展览会”期间，将于2010年5月13日- 14日在上海新国际博览中心会议室召开“2010年模具检测学术交流会”。伴随中国模具制造业的飞速发展，大量精密模具的制造、模具制造质量的提高，对模具的精密测量、探伤、材料检测的高端需求、解决方案的确立使得测试领域的新技术研讨已成为业内关注的中心。为了给广大模具企业质量检验、品质测量、探伤、理化分析及技术研发工...
中国金属学会炼钢分会拟定于2010年5月 在 广西省桂林市 召开“第十四届全国钢质量与非金属夹杂物控制学术会议”，现开始征集论文，欢迎您和贵单位踊跃投稿。
国有色金属工业无损检测中心等通过评审
国有色金属工业 无损检测中心 评审
2009/12/15
由上海有色金属工业协会托管的“中国有色金属工业无损检测中心”和“中国有色金属工业华东产品质量监督检验中心”已通过计量认证复审现场评审。
随着无机材料日新月异的飞速发展，测试技术和评价方法的研究及其推广、建立统一的测试标准以及研发新的测试技术和仪器对无机非金属材料发展和应用必不可少。因此，中国硅酸盐学会测试技术分会决定于2010年4月27日至29日在江西省南昌市召开全国无机材料测试与评价学术年会，以促进无机材料测试与评价领域的交流与合作，推动我国在无机材料测试与评价领域的研究与开发工作的深入开展。
Computer aided determination of porosity in sintered steels
Powder metallurgy Sintering pre-alloyed Astaloy CrL and CrM steels Computer method of porosity analysis
2009/12/3
Purpose: Purpose of this paper was to apply a computer method of open porosity analysis for determination of porosity in sintered Astaloy CrL and CrM powders.
Design/methodology/approach: The powders...
Effect of eddy current frequency on measuring properties of devices used in non- destructive measurements of non-ferromagnetic metal plates
Non-destructive testing Eddy currents Flaw detection Conductometry
2009/12/2
Purpose: To determine optimal frequency of the electromagnetic field that raises eddy currents during the search
for surface defects in non-ferromagnetic materials or conductivity measurements by mea...
A model of heat transfer in composites subjected to thermographic testing
Polymer composite Thermovision Diagnostics Degradation
2009/12/2
Purpose: The aim of the paper is to present a model of heat transfer taking place during thermovision testing of
polymer composites. The purpose of thermographic tests was to identify thermal propert...
The determination of the thickness of composite layer
Casting Composite Surfacing alloy layer
2009/12/2
Purpose: In this article the thermal simulation of formation composite layer on steel model casting and real casts
were presented and described. There is also shown a computer program to determine th...
Detecting of defects in polymeric materials using pulsed infrared thermography
Non-destructive testing (NDT) Thermography Defect
2009/12/2
Purpose: The aim of this paper was to determine the possibility of the use of non-destructive thermographic
testing to detect defects in polymeric materials and steel in compare purpose. To use the t...
Superplasticity studies in a beta titanium alloy
Superplasticity Dynamic recrystallization Beta titanium
2009/12/1
Purpose: In the present study, the Superplastic Forming and deformation behavior as well as related mechanisms
of this titanium alloy were investigated.
Design/methodology/approach: The high tempera...
Diagnostics of crack formation in castings using the logic of plausible reasoning
Mechanical properties Casting defects Cracks
2009/12/1
Purpose: Cold cracks are the defect often encountered in castings. Quick diagnosis of the cause of crack
formation enables preventing the formation of other cracks in the next casting process and ena...
Ultrasonic methods in diagnostics of polyethylene
Engineering polymers Properties Mechanical properties
2009/12/1
Purpose: The aim of the work was to find relationship between the ultrasonic wave velocity and the strenght
and stess in a polyethylene specimens.
Design/methodology/approach: The experiments have b...