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- Hard-nesses are Brinell Hardness Numbers. 硬度是布氏硬度.
- Method of measurement uncertainty evaluation for Brinell hardness test results was introduced in the present work. 文章介紹了布氏硬度試驗中測量結果的不確定度評定方法。
- The brinell hardness and the compressive properties increase with TiN content increasing. 其布氏硬度和壓縮強度隨TiN含量的增加而增大.
- An investigation was made on brinell hardness test with a universal material testing machine. 根據布氏硬度試驗的原理 ,提出一種在萬(wàn)能材料試驗機上進(jìn)行布氏硬度試驗的方法。
- The Brinell hardness number of the hot rolled plates varies with measurement on the different batch of the products. 通過(guò)對熱軋中厚板在不同深度上進(jìn)行布氏硬度的測定 ,表明測量深度對硬度的明顯的影響 ,并指出獲得穩定值的必要性。
- Carbide balls are usually recommended for Brinell hardness numbers greater than 500. 在布氏試驗中碳化物質(zhì)地的球通常在加載500千克以上時(shí)使用。
- It is improved on a basis of HBE-3000.It serves to measure the Brinell hardness of ferrous metals, non-ferrous metals. HBE-3000A電子布氏硬度計 Model HBE-3000A Electronic Brinwll Hardness Tester 該硬度計是HBE-3000的改進(jìn)型，適用于測定黑色金屬，有色金屬的布氏硬度。
- The test results shows that there is a linear relationship between Brinell Hardness and the machinability of cast iron with homogeneous microstructure or tiny carbides. 經(jīng)測試發(fā)現，鑄鐵的組織均勻和碳化物細小時(shí)，其布氏硬度與機械加工性能之間呈線(xiàn)性關(guān)系。
- It was found that the surface roughness is significant in Brinell hardness testing, but has little influence on Rockwell hardness. 結果表明,表面粗糙度對布氏硬度值有重要影響,而洛氏硬度值與表面粗糙度關(guān)系不大。
- In this paper the Brinell hardness of differently hardening titanium under loads 3000Kg HB(3000) and 1500Kg HB(1500) are measured. 本文測試了不同硬度鈦在3000公斤和1500公斤負荷下的布氏硬度值HB_(3000)和HB_(1500)。
- The Rockwell and Brinell hardness of 16 metals were investigated. The effects of surface roughness on the hardness values were discussed. 本文通過(guò)對16種金屬材料布氏和洛氏硬度的測試,討論了表面粗糙度對它們的硬度值的影響。
- Basic principle and content in standard ASTM E10-01 standard Test Methods for Brinell Hardness of Metallic Materials were described in this paper. 介紹了ASTM金屬材料布氏硬度試驗方法并與相應的國家標準進(jìn)行了比較。
- HBE-3000 Electronic Brinell Hardness Tester with 10 steps testing force is able to measure hardness values with each 10 Brinell hardness scales. 電子布氏硬度計具備了10級試驗力，可分別測試布氏硬度的10種標尺。
- The piece of cap is made from high heat-resistant material with good heat capacity, and Brinell hardness number in 180 to 135. 帽件由有良好熱容的高耐熱材料制成，且材料的布里涅爾硬度指數在180到135之間。
- It is improved on a basis of OE-HBE-3000.It serves to measure the Brinell hardness of ferrous metals, non-ferrous metals. 產(chǎn)品用途：該硬度計是OE-HBE-3000的改進(jìn)型，適用于測定黑色金屬，有色金屬的布氏硬度。
- A modification mas made to a current brinell hardness tester so that it can be used to test hardness of soft material under the condition of F/D 2=15 according to ASTM E10. 通過(guò)對現有布氏硬度計結構原理的分析 ,采用添加砝碼的方法滿(mǎn)足了ASTME10中F/D2 值為 15的軟質(zhì)材料的硬度測試。
- Low temperature aging for die casting Al alloy under appropriate technological condition can increase average strength and Brinell hardness more than 10% and 30% respectively. 對壓鑄鋁合金進(jìn)行低溫時(shí)效 ,在最佳工藝條件下 ,合金的平均拉伸強度提高 10%25 以上 ,布氏硬度提高 30%25以上。
- The influences of the duration of polishing and the coarseness of surfaces on the readings of the Brinell hardness measurement of metallic materials are discussed in this paper. 本文討論拋光時(shí)間和表面粗糙度對金屬材料布氏硬度測試數據的影響。
- With an increase in extrusion ratio, the extend of fining grain intensify and the size of grain changes, and hence the yield strength and brinell hardness increase. 隨擠壓比的增大,晶粒細化程度增加;強度、硬度隨擠壓比的增大而增大。
- In the uncertainties of Brinell hardness measurement,the uncertainty of measuring system for Brinell hardness indentation is the main one in error analysis. 為修訂金屬布氏硬度試驗方法國家標準,測定了不同試樣厚度的布氏硬度值。
